diff --git a/README.md b/README.md
index 6548ad3..6bc73b9 100644
--- a/README.md
+++ b/README.md
@@ -2,6 +2,9 @@
 ![Download/month](https://img.shields.io/npm/dm/bahtrext.svg)
 ![Total Download](https://img.shields.io/npm/dt/bahtrext.svg)
 
+
+[![tested with jest](https://img.shields.io/badge/tested_with-jest-99424f.svg?logo=jest)](https://github.com/jestjs/jest)
+
 ## Demo / Example
 - React
   - [BahtGame](https://timely-fenglisu-b68fd6.netlify.app/)
diff --git a/test/ABT.test.js b/__test__/ABT.test.mjs
similarity index 99%
rename from test/ABT.test.js
rename to __test__/ABT.test.mjs
index 7f12655..684565c 100644
--- a/test/ABT.test.js
+++ b/__test__/ABT.test.mjs
@@ -1,4 +1,4 @@
-const ABT = require("../function/ABT");
+import ABT from "../function/ABT.mjs";
 
 test("ABT", () => {
   expect(ABT(`lol`)).toBe(undefined);
diff --git a/test/BT.test.js b/__test__/BT.test.mjs
similarity index 98%
rename from test/BT.test.js
rename to __test__/BT.test.mjs
index ccd6784..a4b8e9e 100644
--- a/test/BT.test.js
+++ b/__test__/BT.test.mjs
@@ -1,5 +1,5 @@
-const BT = require("../function/BT")
-const op = require("operation-strint")
+import { BT } from "../index.mjs";
+import op from "operation-strint";
 
 test(`BT CEIL`, () => {
   expect(BT(`4.990001`, false, false, `c`)).toBe(`ห้าบาทถ้วน`);
diff --git a/test/BTTB.test.js b/__test__/BTTB.test.mjs
similarity index 90%
rename from test/BTTB.test.js
rename to __test__/BTTB.test.mjs
index 5c4441e..1731f5e 100644
--- a/test/BTTB.test.js
+++ b/__test__/BTTB.test.mjs
@@ -1,5 +1,5 @@
-const BT = require("../function/BT");
-const TB = require("../function/TB");
+import { BT } from "../index.mjs";
+import { TB } from "../index.mjs";
 
 test("Reverse BahtText", () => {
   expect(TB(BT(`123`))).toBe(`123.00`);
diff --git a/test/Bool.test.js b/__test__/Bool.test.mjs
similarity index 100%
rename from test/Bool.test.js
rename to __test__/Bool.test.mjs
diff --git a/test/BulkBahtText.test.js b/__test__/BulkBahtText.test.mjs
similarity index 96%
rename from test/BulkBahtText.test.js
rename to __test__/BulkBahtText.test.mjs
index 4682f9d..06d90c8 100644
--- a/test/BulkBahtText.test.js
+++ b/__test__/BulkBahtText.test.mjs
@@ -1,4 +1,4 @@
-const BulkBahtText = require(`../function/BulkBahtText`);
+import BulkBahtText from "../function/BulkBahtText.mjs";
 
 test(`BulkBahtText`, () => {
   expect(
diff --git a/test/IsValidTB.test.js b/__test__/IsValidTB.test.mjs
similarity index 66%
rename from test/IsValidTB.test.js
rename to __test__/IsValidTB.test.mjs
index 4186f5a..a098ba6 100644
--- a/test/IsValidTB.test.js
+++ b/__test__/IsValidTB.test.mjs
@@ -1,4 +1,4 @@
-const IsValidTB = require("../function/IsValidTB");
+import { IsValidTB } from "../index.mjs";
 
 test(`IsValidTB`, () => {
   expect(IsValidTB(`แปดสิบแปดบาท`)).toBe(true);
diff --git a/test/IsValidText.test.js b/__test__/IsValidText.test.mjs
similarity index 96%
rename from test/IsValidText.test.js
rename to __test__/IsValidText.test.mjs
index d4d0df4..e66e08c 100644
--- a/test/IsValidText.test.js
+++ b/__test__/IsValidText.test.mjs
@@ -1,4 +1,4 @@
-const IsValidText = require("../function/IsValidText");
+import { IsValidText } from "../index.mjs";
 
 test(`IsValidText`, () => {
   expect(
diff --git a/test/LNBT.test.js b/__test__/LNBT.test.mjs
similarity index 89%
rename from test/LNBT.test.js
rename to __test__/LNBT.test.mjs
index b942d73..8bcef40 100644
--- a/test/LNBT.test.js
+++ b/__test__/LNBT.test.mjs
@@ -1,4 +1,4 @@
-const LNBT = require(`../function/LNBT`)
+import { LNBT } from "../index.mjs";
 
 test(`LNBT`, () => {
   expect(LNBT(`Googolplex`)).toBe(`Don't Try This`);
diff --git a/test/NEG.test.js b/__test__/NEG.test.mjs
similarity index 98%
rename from test/NEG.test.js
rename to __test__/NEG.test.mjs
index c19b716..33ddf41 100644
--- a/test/NEG.test.js
+++ b/__test__/NEG.test.mjs
@@ -1,4 +1,4 @@
-const NEG = require("../function/NEG");
+import NEG from "../function/NEG.mjs";
 
 test(`NEG`, () => {
   expect(NEG(`-0.67`)).toBe(`ลบหกสิบเจ็ดสตางค์`);
diff --git a/test/NumText.test.js b/__test__/NumText.test.mjs
similarity index 79%
rename from test/NumText.test.js
rename to __test__/NumText.test.mjs
index f76152c..2c82443 100644
--- a/test/NumText.test.js
+++ b/__test__/NumText.test.mjs
@@ -1,4 +1,4 @@
-const NumText = require("../function/NumText")
+import NumText from "../function/NumText.mjs";
 
 test("NumText", () => {
   expect(NumText(`ไม่เอา123`)).toBe(`ไม่เอาหนึ่งสองสาม`);
diff --git a/test/OB.test.js b/__test__/OB.test.mjs
similarity index 94%
rename from test/OB.test.js
rename to __test__/OB.test.mjs
index 7b08e8c..f940ff6 100644
--- a/test/OB.test.js
+++ b/__test__/OB.test.mjs
@@ -1,4 +1,4 @@
-const OB = require("../function/OB");
+import OB from "../function/OB.mjs";
 
 test(`OB`, () => {
   expect(OB(`33`)).toEqual({
diff --git a/test/PrintSatangs.test.js b/__test__/PrintSatangs.test.mjs
similarity index 93%
rename from test/PrintSatangs.test.js
rename to __test__/PrintSatangs.test.mjs
index bc6d080..ba91020 100644
--- a/test/PrintSatangs.test.js
+++ b/__test__/PrintSatangs.test.mjs
@@ -1,5 +1,5 @@
-const PrintSatangs = require("../function/PrintSatangs");
-const FULLBAHT = require("../const/primitive/FULLBAHT")
+import { PrintSatangs } from "../index.mjs";
+import { FULLBAHT } from "../const/index.mjs";
 
 test("PrintSatangs", () => {
   expect(PrintSatangs(`67`)[0]).toBe(`หกสิบเจ็ดสตางค์`);
diff --git a/test/SEP.test.js b/__test__/SEP.test.mjs
similarity index 96%
rename from test/SEP.test.js
rename to __test__/SEP.test.mjs
index 6b42205..a5f45f8 100644
--- a/test/SEP.test.js
+++ b/__test__/SEP.test.mjs
@@ -1,4 +1,4 @@
-const SEP = require("../function/SEP");
+import { SEP } from "../index.mjs";
 
 test(`sep`, () => {
   expect(SEP(`11`, `;;;`)).toBe(`สิบ;;;เอ็ด`);
diff --git a/test/SatangNum.test.js b/__test__/SatangNum.test.mjs
similarity index 99%
rename from test/SatangNum.test.js
rename to __test__/SatangNum.test.mjs
index 8bc4c78..d1327ea 100644
--- a/test/SatangNum.test.js
+++ b/__test__/SatangNum.test.mjs
@@ -1,4 +1,4 @@
-const SatangNum = require("../function/SatangNum");
+import { SatangNum } from "../index.mjs";
 
 test("SatangNum", () => {
   expect(SatangNum("ถ้วน")).toBe("00");
diff --git a/test/TB.test.js b/__test__/TB.test.mjs
similarity index 97%
rename from test/TB.test.js
rename to __test__/TB.test.mjs
index 3fc1797..47c6f0a 100644
--- a/test/TB.test.js
+++ b/__test__/TB.test.mjs
@@ -1,4 +1,4 @@
-const TB = require("../function/TB");
+import TB from "../function/TB.mjs";
 
 test(`TB`, () => {
   expect(TB(`สิบเอ็ดบาทสิบเอ็ดสตางค์`)).toBe(`11.11`);
diff --git a/test/datatype.test.js b/__test__/datatype.test.mjs
similarity index 85%
rename from test/datatype.test.js
rename to __test__/datatype.test.mjs
index ae18b98..88e97b0 100644
--- a/test/datatype.test.js
+++ b/__test__/datatype.test.mjs
@@ -1,5 +1,6 @@
-const { FULLBAHT, BAHT } = require("../const");
-const {
+import { FULLBAHT } from "../const/index.mjs";
+import BAHT from "../const/index.mjs";
+import {
   NumText,
   BT,
   ABT,
@@ -12,7 +13,7 @@ const {
   OB,
   LNBT,
   SEP,
-} = require("../");
+} from "../index.mjs";
 
 test(`data type`, () => {
   const d = {
diff --git a/test/repeat.test.js b/__test__/repeat.test.mjs
similarity index 82%
rename from test/repeat.test.js
rename to __test__/repeat.test.mjs
index 84ec974..636a23d 100644
--- a/test/repeat.test.js
+++ b/__test__/repeat.test.mjs
@@ -1,4 +1,4 @@
-const repeat = require("../function/repeat");
+import { repeat } from "../index.mjs";
 
 test("repeat", () => {
   expect(repeat(`ค`, [3])).toBe(`คคค`);
diff --git a/app.js b/app.js
new file mode 100644
index 0000000..810379d
--- /dev/null
+++ b/app.js
@@ -0,0 +1,2 @@
+import ABT from "./index.mjs";
+console.log(ABT("1234567890"))
\ No newline at end of file
diff --git a/compare.js b/compare.js
index 03915e7..05c434b 100644
--- a/compare.js
+++ b/compare.js
@@ -1,6 +1,6 @@
-const BR = require("./index");
-const oc = require("./octal");
-const THBText = require("thai-baht-text");
+import {BT} from "./index.mjs"
+import { toDec } from "./octal.mjs";
+import THBText from "thai-baht-text";
 
 let a = 29999999999999999;
 let b = 29999999999999999.99;
@@ -10,13 +10,13 @@ console.log(a.toString() == a);
 console.log(a.toString() === b.toString());
 console.log(a.toString());
 console.log(THBText(a));
-console.log(BR.BT("29999999999999999"));
+console.log(BT("29999999999999999"));
 console.log(THBText(b));
-console.log(BR.BT("29999999999999999.99"));
+console.log(BT("29999999999999999.99"));
 
 let c = 0o77;
 let d = `0o77`
 console.log(THBText(c));
 console.log(THBText(d));
-console.log(oc.toDec(d))
-console.log(oc.toDec(c))
\ No newline at end of file
+console.log(toDec(d))
+console.log(toDec(c))
\ No newline at end of file
diff --git a/compare.test.js b/compare.test.js
deleted file mode 100644
index 33a6ade..0000000
--- a/compare.test.js
+++ /dev/null
@@ -1,31 +0,0 @@
-const BR = require("./index");
-const THBText = require("thai-baht-text");
-const { bahttext } = require("bahttext");
-const { convert } = require("numbaht");
-
-// Comment out FAIL Test Cases
-
-test("THBText", () => {
-  expect(BR.BT("999999999999999")).toBe(THBText(999999999999999));
-  expect(BR.BT((2 ** 53).toString())).toBe(THBText(2 ** 53));
-  expect(BR.BT((2 ** 55).toString())).toBe(THBText(2 ** 55));
-  expect(BR.BT((2 ** 60).toString())).toBe(THBText(2 ** 60));
-  expect(BR.BT((2 ** 69).toString())).toBe(THBText(2 ** 69));
-});
-
-test("jojoee/bahttext", () => {
-  expect(bahttext(999999999999999)).toBe(BR.BT("999999999999999"));
-  expect(bahttext(12.33)).toBe(BR.BT("12.33"));
-  // expect(bahttext(999999999999999.99)).toBe(BR.BT("999999999999999.99"));
-  // expect(bahttext('999999999999999.99')).toBe(BR.BT("999999999999999.99"));
-});
-
-test(`numbaht`, () => {
-  expect(
-    convert("หนึ่งร้อยหนึ่ง")
-  ).toBe(`101`);
-  expect(convert("หนึ่งร้อยเอ็ด")).toBe(`101`);
-  // expect(convert("สิบห้าร้อยสตางค์")).toBe(undefined);
-  // expect(convert("สิบห้าร้อย")).toBe(undefined);
-  // expect(convert("สิบห้าบาทสองสิบสตางค์")).toBe(undefined);
-});
\ No newline at end of file
diff --git a/compare.test.mjs b/compare.test.mjs
new file mode 100644
index 0000000..09fa848
--- /dev/null
+++ b/compare.test.mjs
@@ -0,0 +1,31 @@
+import {BT} from "./index.mjs"
+import THBText from "thai-baht-text"
+import { bahttext } from "bahttext";
+import { convert } from "numbaht";
+
+// Comment out FAIL Test Cases
+
+test("THBText", () => {
+  expect(BT("999999999999999")).toBe(THBText(999999999999999));
+  expect(BT((2 ** 53).toString())).toBe(THBText(2 ** 53));
+  expect(BT((2 ** 55).toString())).toBe(THBText(2 ** 55));
+  expect(BT((2 ** 60).toString())).toBe(THBText(2 ** 60));
+  expect(BT((2 ** 69).toString())).toBe(THBText(2 ** 69));
+});
+
+test("jojoee/bahttext", () => {
+  expect(bahttext(999999999999999)).toBe(BT("999999999999999"));
+  expect(bahttext(12.33)).toBe(BT("12.33"));
+  // expect(bahttext(999999999999999.99)).toBe(BT("999999999999999.99"));
+  // expect(bahttext('999999999999999.99')).toBe(BT("999999999999999.99"));
+});
+
+test(`numbaht`, () => {
+  expect(
+    convert("หนึ่งร้อยหนึ่ง")
+  ).toBe(`101`);
+  expect(convert("หนึ่งร้อยเอ็ด")).toBe(`101`);
+  // expect(convert("สิบห้าร้อยสตางค์")).toBe(undefined);
+  // expect(convert("สิบห้าร้อย")).toBe(undefined);
+  // expect(convert("สิบห้าบาทสองสิบสตางค์")).toBe(undefined);
+});
\ No newline at end of file
diff --git a/const/THB.js b/const/THB.js
deleted file mode 100644
index ebc972f..0000000
--- a/const/THB.js
+++ /dev/null
@@ -1,4 +0,0 @@
-module.exports = THB = new Intl.NumberFormat("th-TH", {
-  style: "currency",
-  currency: "THB",
-});
\ No newline at end of file
diff --git a/const/THB.mjs b/const/THB.mjs
new file mode 100644
index 0000000..9cb0714
--- /dev/null
+++ b/const/THB.mjs
@@ -0,0 +1,5 @@
+const THB = new Intl.NumberFormat("th-TH", {
+  style: "currency",
+  currency: "THB",
+});
+export default THB;
\ No newline at end of file
diff --git a/const/array/FTHAISATANGWORDS.js b/const/array/FTHAISATANGWORDS.js
deleted file mode 100644
index a20da21..0000000
--- a/const/array/FTHAISATANGWORDS.js
+++ /dev/null
@@ -1,20 +0,0 @@
-const SPECIALTWO = require(`../primitive/SPECIALTWO`)
-const THREE = require(`../primitive/THREE`);
-const FOUR = require(`../primitive/FOUR`);
-const FIVE = require(`../primitive/FIVE`);
-const SIX = require(`../primitive/SIX`);
-const SEVEN = require(`../primitive/SEVEN`);
-const EIGHT = require(`../primitive/EIGHT`);
-const NINE = require(`../primitive/NINE`);
-module.exports = FTHAISATANGWORDS = [
-  ``,
-  ``,
-  SPECIALTWO,
-  THREE,
-  FOUR,
-  FIVE,
-  SIX,
-  SEVEN,
-  EIGHT,
-  NINE,
-];
diff --git a/const/array/FTHAISATANGWORDS.mjs b/const/array/FTHAISATANGWORDS.mjs
new file mode 100644
index 0000000..57776f3
--- /dev/null
+++ b/const/array/FTHAISATANGWORDS.mjs
@@ -0,0 +1,21 @@
+import SPECIALTWO from "../primitive/SPECIALTWO.mjs";
+import THREE from "../primitive/THREE.mjs";
+import FOUR from "../primitive/FOUR.mjs";
+import FIVE from "../primitive/FIVE.mjs";
+import SIX from "../primitive/SIX.mjs";
+import SEVEN from "../primitive/SEVEN.mjs";
+import EIGHT from "../primitive/EIGHT.mjs";
+import NINE from "../primitive/NINE.mjs";
+const FTHAISATANGWORDS = [
+  ``,
+  ``,
+  SPECIALTWO,
+  THREE,
+  FOUR,
+  FIVE,
+  SIX,
+  SEVEN,
+  EIGHT,
+  NINE,
+];
+export default FTHAISATANGWORDS;
\ No newline at end of file
diff --git a/const/array/LTHAISATANGWORDS.js b/const/array/LTHAISATANGWORDS.js
deleted file mode 100644
index 514b906..0000000
--- a/const/array/LTHAISATANGWORDS.js
+++ /dev/null
@@ -1,21 +0,0 @@
-const SPECIALONE = require(`../primitive/SPECIALONE`)
-const TWO = require(`../primitive/TWO`)
-const THREE = require(`../primitive/THREE`)
-const FOUR = require(`../primitive/FOUR`)
-const FIVE = require(`../primitive/FIVE`)
-const SIX = require(`../primitive/SIX`)
-const SEVEN = require(`../primitive/SEVEN`)
-const EIGHT = require(`../primitive/EIGHT`)
-const NINE = require(`../primitive/NINE`)
-module.exports = LTHAISATANGWORDS = [
-  ``,
-  SPECIALONE,
-  TWO,
-  THREE,
-  FOUR,
-  FIVE,
-  SIX,
-  SEVEN,
-  EIGHT,
-  NINE,
-];
\ No newline at end of file
diff --git a/const/array/LTHAISATANGWORDS.mjs b/const/array/LTHAISATANGWORDS.mjs
new file mode 100644
index 0000000..8fb7238
--- /dev/null
+++ b/const/array/LTHAISATANGWORDS.mjs
@@ -0,0 +1,23 @@
+import SPECIALONE from "../primitive/SPECIALONE.mjs";
+import TWO from "../primitive/TWO.mjs";
+import THREE from "../primitive/THREE.mjs";
+import FOUR from "../primitive/FOUR.mjs";
+import FIVE from "../primitive/FIVE.mjs";
+import SIX from "../primitive/SIX.mjs";
+import SEVEN from "../primitive/SEVEN.mjs";
+import EIGHT from "../primitive/EIGHT.mjs";
+import NINE from "../primitive/NINE.mjs";
+
+const LTHAISATANGWORDS = [
+  ``,
+  SPECIALONE,
+  TWO,
+  THREE,
+  FOUR,
+  FIVE,
+  SIX,
+  SEVEN,
+  EIGHT,
+  NINE,
+];
+export default LTHAISATANGWORDS;
\ No newline at end of file
diff --git a/const/array/ONETONINE.js b/const/array/ONETONINE.js
deleted file mode 100644
index 7495c10..0000000
--- a/const/array/ONETONINE.js
+++ /dev/null
@@ -1,20 +0,0 @@
-const ONE = require(`../primitive/ONE`);
-const TWO = require(`../primitive/TWO`);
-const THREE = require(`../primitive/THREE`);
-const FOUR = require(`../primitive/FOUR`);
-const FIVE = require(`../primitive/FIVE`);
-const SIX = require(`../primitive/SIX`);
-const SEVEN = require(`../primitive/SEVEN`);
-const EIGHT = require(`../primitive/EIGHT`);
-const NINE = require(`../primitive/NINE`);
-module.exports = ONETONINE = [
-  ONE,
-  TWO,
-  THREE,
-  FOUR,
-  FIVE,
-  SIX,
-  SEVEN,
-  EIGHT,
-  NINE,
-];
\ No newline at end of file
diff --git a/const/array/ONETONINE.mjs b/const/array/ONETONINE.mjs
new file mode 100644
index 0000000..af9c15e
--- /dev/null
+++ b/const/array/ONETONINE.mjs
@@ -0,0 +1,11 @@
+import ONE from "../primitive/ONE.mjs";
+import TWO from "../primitive/TWO.mjs";
+import THREE from "../primitive/THREE.mjs";
+import FOUR from "../primitive/FOUR.mjs";
+import FIVE from "../primitive/FIVE.mjs";
+import SIX from "../primitive/SIX.mjs";
+import SEVEN from "../primitive/SEVEN.mjs";
+import EIGHT from "../primitive/EIGHT.mjs";
+import NINE from "../primitive/NINE.mjs";
+const ONETONINE = [ONE, TWO, THREE, FOUR, FIVE, SIX, SEVEN, EIGHT, NINE];
+export default ONETONINE;
\ No newline at end of file
diff --git a/const/array/REVERSETHAIDIGITWORDS.js b/const/array/REVERSETHAIDIGITWORDS.js
deleted file mode 100644
index 4d1637d..0000000
--- a/const/array/REVERSETHAIDIGITWORDS.js
+++ /dev/null
@@ -1,14 +0,0 @@
-const TEN = require(`../primitive/TEN`);
-const HUNDRED = require(`../primitive/HUNDRED`);
-const THOUSAND = require(`../primitive/THOUSAND`);
-const TENTHOUSAND = require(`../primitive/TENTHOUSAND`);
-const HUNDREDTHOUSAND = require(`../primitive/HUNDREDTHOUSAND`);
-
-module.exports = REVERSETHAIDIGITWORDS = [
-  HUNDREDTHOUSAND,
-  TENTHOUSAND,
-  THOUSAND,
-  HUNDRED,
-  TEN,
-  "",
-];
diff --git a/const/array/REVERSETHAIDIGITWORDS.mjs b/const/array/REVERSETHAIDIGITWORDS.mjs
new file mode 100644
index 0000000..469cc09
--- /dev/null
+++ b/const/array/REVERSETHAIDIGITWORDS.mjs
@@ -0,0 +1,15 @@
+import TEN from "../primitive/TEN.mjs";
+import HUNDRED from "../primitive/HUNDRED.mjs";
+import THOUSAND from "../primitive/THOUSAND.mjs";
+import TENTHOUSAND from "../primitive/TENTHOUSAND.mjs";
+import HUNDREDTHOUSAND from "../primitive/HUNDREDTHOUSAND.mjs";
+
+const REVERSETHAIDIGITWORDS = [
+  HUNDREDTHOUSAND,
+  TENTHOUSAND,
+  THOUSAND,
+  HUNDRED,
+  TEN,
+  "",
+];
+export default REVERSETHAIDIGITWORDS;
\ No newline at end of file
diff --git a/const/array/THAI2ARABICNumerals.js b/const/array/THAI2ARABICNumerals.mjs
similarity index 78%
rename from const/array/THAI2ARABICNumerals.js
rename to const/array/THAI2ARABICNumerals.mjs
index 6a9a748..534fadc 100644
--- a/const/array/THAI2ARABICNumerals.js
+++ b/const/array/THAI2ARABICNumerals.mjs
@@ -1,4 +1,4 @@
-module.exports = THAI2ARABICNumerals = [
+const THAI2ARABICNumerals = [
   { th: `๐`, a: `0` },
   { th: `๑`, a: `1` },
   { th: `๒`, a: `2` },
@@ -9,4 +9,5 @@ module.exports = THAI2ARABICNumerals = [
   { th: `๗`, a: `7` },
   { th: `๘`, a: `8` },
   { th: `๙`, a: `9` },
-]
\ No newline at end of file
+]
+export default THAI2ARABICNumerals;
\ No newline at end of file
diff --git a/const/array/THAINUMBERWORDS.js b/const/array/THAINUMBERWORDS.js
deleted file mode 100644
index eab445b..0000000
--- a/const/array/THAINUMBERWORDS.js
+++ /dev/null
@@ -1,25 +0,0 @@
-const ZERO = require(`../primitive/ZERO`);
-const ONE = require(`../primitive/ONE`);
-const TWO = require(`../primitive/TWO`);
-const THREE = require(`../primitive/THREE`);
-const FOUR = require(`../primitive/FOUR`);
-const FIVE = require(`../primitive/FIVE`);
-const SIX = require(`../primitive/SIX`);
-const SEVEN = require(`../primitive/SEVEN`);
-const EIGHT = require(`../primitive/EIGHT`);
-const NINE = require(`../primitive/NINE`);
-const TEN = require(`../primitive/TEN`)
-
-module.exports = THAINUMBERWORDS = [
-  ZERO,
-  ONE,
-  TWO,
-  THREE,
-  FOUR,
-  FIVE,
-  SIX,
-  SEVEN,
-  EIGHT,
-  NINE,
-  TEN,
-];
diff --git a/const/array/THAINUMBERWORDS.mjs b/const/array/THAINUMBERWORDS.mjs
new file mode 100644
index 0000000..49d3f3e
--- /dev/null
+++ b/const/array/THAINUMBERWORDS.mjs
@@ -0,0 +1,10 @@
+import ZERO from "../primitive/ZERO.mjs";
+import ONETONINE from "./ONETONINE.mjs";
+import TEN from "../primitive/TEN.mjs";
+
+const THAINUMBERWORDS = [
+  ZERO,
+  ...ONETONINE,
+  TEN,
+];
+export default THAINUMBERWORDS;
\ No newline at end of file
diff --git a/const/array/large_numbers.js b/const/array/large_numbers.mjs
similarity index 98%
rename from const/array/large_numbers.js
rename to const/array/large_numbers.mjs
index 74e4043..9f6b6dc 100644
--- a/const/array/large_numbers.js
+++ b/const/array/large_numbers.mjs
@@ -1,4 +1,4 @@
-module.exports = large_numbers = [
+const large_numbers = [
   { name: "Million", powof10: 6 },
   { name: "Billion", powof10: 9 },
   { name: "Trillion", powof10: 12 },
@@ -68,3 +68,4 @@ module.exports = large_numbers = [
   { name: "Millinillion", powof10: 3003 },
   { name: "Googol", powof10: 100 },
 ];
+export default large_numbers;
\ No newline at end of file
diff --git a/const/index.js b/const/index.js
deleted file mode 100644
index 66456ee..0000000
--- a/const/index.js
+++ /dev/null
@@ -1,96 +0,0 @@
-const DEBUG = require('./primitive/DEBUG')
-const GoogleSheetsCellCharactersLimit = require("./primitive/GoogleSheetsCellCharactersLimit");
-const VERSION = require(`./primitive/VERSION`);
-const negative = require(`./primitive/negative`);
-const SPECIALONE = require("./primitive/SPECIALONE");
-const SPECIALTWO = require("./primitive/SPECIALTWO");
-const TEN = require("./primitive/TEN");
-const BAHT = require("./primitive/BAHT");
-const MILLION = require("./primitive/MILLION");
-const FULLBAHT = require("./primitive/FULLBAHT");
-const SATANG = require("./primitive/SATANG");
-const READAS = require("./primitive/READAS");
-
-const LAST6DIGITPATTERN = require(`./regex/LAST6DIGITPATTERN`);
-const SPLITPATTERN = require(`./regex/SPLITPATTERN`);
-
-const ZERO = require(`./primitive/ZERO`);
-const ONE = require(`./primitive/ONE`);
-const TWO = require(`./primitive/TWO`)
-const THREE = require(`./primitive/THREE`)
-const FOUR = require(`./primitive/FOUR`);
-const FIVE = require(`./primitive/FIVE`);
-const SIX = require(`./primitive/SIX`);
-const SEVEN = require(`./primitive/SEVEN`);
-const EIGHT = require(`./primitive/EIGHT`);
-const NINE = require(`./primitive/NINE`);
-const THAINUMBERWORDS = require(`./array/THAINUMBERWORDS`)
-const ONETONINE = require(`./array/ONETONINE`);
-const LTHAISATANGWORDS = require(`./array/LTHAISATANGWORDS`);
-const FTHAISATANGWORDS = require(`./array/FTHAISATANGWORDS`);
-const HUNDRED = require(`./primitive/HUNDRED`);
-const THOUSAND = require(`./primitive/THOUSAND`);
-const TENTHOUSAND = require(`./primitive/TENTHOUSAND`);
-const HUNDREDTHOUSAND = require(`./primitive/HUNDREDTHOUSAND`);
-const REVERSETHAIDIGITWORDS = require(`./array/REVERSETHAIDIGITWORDS`);
-const THAI2ARABICNumerals = require(`./array/THAI2ARABICNumerals`);
-const ValidSATANGRegex = require(`./regex/ValidSATANGRegex`)
-const defaultBulkBahtTextPat = require(`./regex/defaultBulkBahtTextPat`);
-const defaultBulkBahtTextSkips = require(`./regex/defaultBulkBahtTextSkips`);
-const OneToTenTextRegex = require(`./regex/OneToTenTextRegex`);
-const ElevenToNineteenRegex = require(`./regex/ElevenToNineteenRegex`);
-const TwentyToNinetyNine = require(`./regex/TwentyToNinetyNine`)
-
-const large_numbers = require(`./array/large_numbers`);
-const MAX_SAFE_INTEGER = require(`./primitive/MAX_SAFE_INTEGER`);
-const octalRegex1 = require(`./regex/octalRegex1`);
-const octalRegex2 = require(`./regex/octalRegex2`);
-let THB = require(`./THB`);
-
-module.exports = {
-  DEBUG,
-  GoogleSheetsCellCharactersLimit,
-  VERSION,
-  SPECIALONE,
-  SPECIALTWO,
-  TEN,
-  BAHT,
-  MILLION,
-  FULLBAHT,
-  SATANG,
-  READAS,
-  LAST6DIGITPATTERN,
-  SPLITPATTERN,
-  ZERO,
-  ONE,
-  TWO,
-  THREE,
-  FOUR,
-  FIVE,
-  SIX,
-  SEVEN,
-  EIGHT,
-  NINE,
-  THAINUMBERWORDS,
-  ONETONINE,
-  LTHAISATANGWORDS,
-  FTHAISATANGWORDS,
-  HUNDRED,
-  THOUSAND,
-  TENTHOUSAND,
-  HUNDREDTHOUSAND,
-  REVERSETHAIDIGITWORDS,
-  THAI2ARABICNumerals,
-  ValidSATANGRegex,
-  defaultBulkBahtTextPat,
-  defaultBulkBahtTextSkips,
-  OneToTenTextRegex,
-  ElevenToNineteenRegex,
-  TwentyToNinetyNine,
-  large_numbers,
-  octalRegex1,
-  octalRegex2,
-  MAX_SAFE_INTEGER,
-  THB,
-  negative,
-};
\ No newline at end of file
diff --git a/const/index.mjs b/const/index.mjs
new file mode 100644
index 0000000..9ffea91
--- /dev/null
+++ b/const/index.mjs
@@ -0,0 +1,99 @@
+import DEBUG from "./primitive/DEBUG.mjs";
+import GoogleSheetsCellCharactersLimit from "./primitive/GoogleSheetsCellCharactersLimit.mjs";
+import VERSION from "./primitive/VERSION.mjs";
+import negative from "./primitive/negative.mjs";
+import SPECIALONE from "./primitive/SPECIALONE.mjs";
+import SPECIALTWO from "./primitive/SPECIALTWO.mjs";
+import TEN from "./primitive/TEN.mjs";
+import BAHT from "./primitive/BAHT.mjs";
+import MILLION from "./primitive/MILLION.mjs";
+import FULLBAHT from "./primitive/FULLBAHT.mjs";
+import SATANG from "./primitive/SATANG.mjs";
+import READAS from "./primitive/READAS.mjs";
+
+import LAST6DIGITPATTERN from "./regex/LAST6DIGITPATTERN.mjs";
+import SPLITPATTERN from "./regex/SPLITPATTERN.mjs";
+
+import ZERO from "./primitive/ZERO.mjs";
+import ONE from "./primitive/ONE.mjs";
+import TWO from "./primitive/TWO.mjs";
+import THREE from "./primitive/THREE.mjs";
+import FOUR from "./primitive/FOUR.mjs";
+import FIVE from "./primitive/FIVE.mjs";
+import SIX from "./primitive/SIX.mjs";
+import SEVEN from "./primitive/SEVEN.mjs";
+import EIGHT from "./primitive/EIGHT.mjs";
+import NINE from "./primitive/NINE.mjs";
+import THAINUMBERWORDS from "./array/THAINUMBERWORDS.mjs";
+import ONETONINE from "./array/ONETONINE.mjs";
+import LTHAISATANGWORDS from "./array/LTHAISATANGWORDS.mjs";
+import FTHAISATANGWORDS from "./array/FTHAISATANGWORDS.mjs";
+
+import HUNDRED from "./primitive/HUNDRED.mjs";
+import THOUSAND from "./primitive/THOUSAND.mjs";
+import TENTHOUSAND from "./primitive/TENTHOUSAND.mjs";
+import HUNDREDTHOUSAND from "./primitive/HUNDREDTHOUSAND.mjs";
+import REVERSETHAIDIGITWORDS from "./array/REVERSETHAIDIGITWORDS.mjs";
+import THAI2ARABICNumerals from "./array/THAI2ARABICNumerals.mjs";
+
+import ValidSATANGRegex from "./regex/ValidSATANGRegex.mjs";
+import defaultBulkBahtTextPat from "./regex/defaultBulkBahtTextPat.mjs";
+import defaultBulkBahtTextSkips from "./regex/defaultBulkBahtTextSkips.mjs";
+import OneToTenTextRegex from "./regex/OneToTenTextRegex.mjs";
+import ElevenToNineteenRegex from "./regex/ElevenToNineteenRegex.mjs";
+import TwentyToNinetyNine from "./regex/TwentyToNinetyNine.mjs";
+
+import large_numbers from "./array/large_numbers.mjs";
+
+import MAX_SAFE_INTEGER from "./primitive/MAX_SAFE_INTEGER.mjs";
+import octalRegex1 from "./regex/octalRegex1.mjs";
+import octalRegex2 from "./regex/octalRegex2.mjs";
+import THB from "./THB.mjs";
+
+export {
+  DEBUG,
+  GoogleSheetsCellCharactersLimit,
+  VERSION,
+  SPECIALONE,
+  SPECIALTWO,
+  TEN,
+  BAHT,
+  MILLION,
+  FULLBAHT,
+  SATANG,
+  READAS,
+  LAST6DIGITPATTERN,
+  SPLITPATTERN,
+  ZERO,
+  ONE,
+  TWO,
+  THREE,
+  FOUR,
+  FIVE,
+  SIX,
+  SEVEN,
+  EIGHT,
+  NINE,
+  THAINUMBERWORDS,
+  ONETONINE,
+  LTHAISATANGWORDS,
+  FTHAISATANGWORDS,
+  HUNDRED,
+  THOUSAND,
+  TENTHOUSAND,
+  HUNDREDTHOUSAND,
+  REVERSETHAIDIGITWORDS,
+  THAI2ARABICNumerals,
+  ValidSATANGRegex,
+  defaultBulkBahtTextPat,
+  defaultBulkBahtTextSkips,
+  OneToTenTextRegex,
+  ElevenToNineteenRegex,
+  TwentyToNinetyNine,
+  large_numbers,
+  octalRegex1,
+  octalRegex2,
+  MAX_SAFE_INTEGER,
+  THB,
+  negative,
+};
\ No newline at end of file
diff --git a/const/primitive/BAHT.js b/const/primitive/BAHT.js
deleted file mode 100644
index cb4f31f..0000000
--- a/const/primitive/BAHT.js
+++ /dev/null
@@ -1 +0,0 @@
-module.exports = BAHT = `บาท`;
\ No newline at end of file
diff --git a/const/primitive/BAHT.mjs b/const/primitive/BAHT.mjs
new file mode 100644
index 0000000..21728bb
--- /dev/null
+++ b/const/primitive/BAHT.mjs
@@ -0,0 +1,2 @@
+const BAHT = `บาท`;
+export default BAHT;
\ No newline at end of file
diff --git a/const/primitive/DEBUG.js b/const/primitive/DEBUG.js
deleted file mode 100644
index 0dee2b2..0000000
--- a/const/primitive/DEBUG.js
+++ /dev/null
@@ -1 +0,0 @@
-module.exports = DEBUG = false;
\ No newline at end of file
diff --git a/const/primitive/DEBUG.mjs b/const/primitive/DEBUG.mjs
new file mode 100644
index 0000000..899c99a
--- /dev/null
+++ b/const/primitive/DEBUG.mjs
@@ -0,0 +1,2 @@
+const DEBUG = false;
+export default DEBUG;
\ No newline at end of file
diff --git a/const/primitive/EIGHT.js b/const/primitive/EIGHT.js
deleted file mode 100644
index 62b2bb4..0000000
--- a/const/primitive/EIGHT.js
+++ /dev/null
@@ -1 +0,0 @@
-module.exports = EIGHT = `แปด`;
\ No newline at end of file
diff --git a/const/primitive/EIGHT.mjs b/const/primitive/EIGHT.mjs
new file mode 100644
index 0000000..3d1f6e2
--- /dev/null
+++ b/const/primitive/EIGHT.mjs
@@ -0,0 +1,2 @@
+const EIGHT = `แปด`;
+export default EIGHT;
\ No newline at end of file
diff --git a/const/primitive/FIVE.js b/const/primitive/FIVE.js
deleted file mode 100644
index 7c828db..0000000
--- a/const/primitive/FIVE.js
+++ /dev/null
@@ -1 +0,0 @@
-module.exports = FIVE = `ห้า`;
\ No newline at end of file
diff --git a/const/primitive/FIVE.mjs b/const/primitive/FIVE.mjs
new file mode 100644
index 0000000..94c9f79
--- /dev/null
+++ b/const/primitive/FIVE.mjs
@@ -0,0 +1,2 @@
+const FIVE = `ห้า`;
+export default FIVE;
\ No newline at end of file
diff --git a/const/primitive/FOUR.js b/const/primitive/FOUR.js
deleted file mode 100644
index 1afed5c..0000000
--- a/const/primitive/FOUR.js
+++ /dev/null
@@ -1 +0,0 @@
-module.exports = FOUR = `สี่`;
\ No newline at end of file
diff --git a/const/primitive/FOUR.mjs b/const/primitive/FOUR.mjs
new file mode 100644
index 0000000..765dce9
--- /dev/null
+++ b/const/primitive/FOUR.mjs
@@ -0,0 +1,2 @@
+const FOUR = `สี่`;
+export default FOUR;
\ No newline at end of file
diff --git a/const/primitive/FULLBAHT.js b/const/primitive/FULLBAHT.js
deleted file mode 100644
index 2d8ca48..0000000
--- a/const/primitive/FULLBAHT.js
+++ /dev/null
@@ -1 +0,0 @@
-module.exports = FULLBAHT = `ถ้วน`;
diff --git a/const/primitive/FULLBAHT.mjs b/const/primitive/FULLBAHT.mjs
new file mode 100644
index 0000000..c95b06e
--- /dev/null
+++ b/const/primitive/FULLBAHT.mjs
@@ -0,0 +1,2 @@
+const FULLBAHT = `ถ้วน`;
+export default FULLBAHT;
\ No newline at end of file
diff --git a/const/primitive/GoogleSheetsCellCharactersLimit.js b/const/primitive/GoogleSheetsCellCharactersLimit.js
deleted file mode 100644
index b470634..0000000
--- a/const/primitive/GoogleSheetsCellCharactersLimit.js
+++ /dev/null
@@ -1 +0,0 @@
-module.exports = GoogleSheetsCellCharactersLimit = 50000;
\ No newline at end of file
diff --git a/const/primitive/GoogleSheetsCellCharactersLimit.mjs b/const/primitive/GoogleSheetsCellCharactersLimit.mjs
new file mode 100644
index 0000000..cbcf55a
--- /dev/null
+++ b/const/primitive/GoogleSheetsCellCharactersLimit.mjs
@@ -0,0 +1,2 @@
+const GoogleSheetsCellCharactersLimit = 50000;
+export default GoogleSheetsCellCharactersLimit;
\ No newline at end of file
diff --git a/const/primitive/HUNDRED.js b/const/primitive/HUNDRED.js
deleted file mode 100644
index a9a1c4d..0000000
--- a/const/primitive/HUNDRED.js
+++ /dev/null
@@ -1 +0,0 @@
-module.exports = HUNDRED = `ร้อย`;
\ No newline at end of file
diff --git a/const/primitive/HUNDRED.mjs b/const/primitive/HUNDRED.mjs
new file mode 100644
index 0000000..aeae39e
--- /dev/null
+++ b/const/primitive/HUNDRED.mjs
@@ -0,0 +1,2 @@
+const HUNDRED = `ร้อย`;
+export default HUNDRED;
\ No newline at end of file
diff --git a/const/primitive/HUNDREDTHOUSAND.js b/const/primitive/HUNDREDTHOUSAND.js
deleted file mode 100644
index d273392..0000000
--- a/const/primitive/HUNDREDTHOUSAND.js
+++ /dev/null
@@ -1 +0,0 @@
-module.exports = HUNDREDTHOUSAND = `แสน`;
\ No newline at end of file
diff --git a/const/primitive/HUNDREDTHOUSAND.mjs b/const/primitive/HUNDREDTHOUSAND.mjs
new file mode 100644
index 0000000..c38f119
--- /dev/null
+++ b/const/primitive/HUNDREDTHOUSAND.mjs
@@ -0,0 +1,2 @@
+const HUNDREDTHOUSAND = `แสน`;
+export default HUNDREDTHOUSAND;
\ No newline at end of file
diff --git a/const/primitive/MAX_SAFE_INTEGER.js b/const/primitive/MAX_SAFE_INTEGER.js
deleted file mode 100644
index 757abf6..0000000
--- a/const/primitive/MAX_SAFE_INTEGER.js
+++ /dev/null
@@ -1 +0,0 @@
-module.exports = MAX_SAFE_INTEGER = 9007199254740991;
\ No newline at end of file
diff --git a/const/primitive/MAX_SAFE_INTEGER.mjs b/const/primitive/MAX_SAFE_INTEGER.mjs
new file mode 100644
index 0000000..e41db67
--- /dev/null
+++ b/const/primitive/MAX_SAFE_INTEGER.mjs
@@ -0,0 +1,2 @@
+const MAX_SAFE_INTEGER = 9007199254740991;
+export default MAX_SAFE_INTEGER;
\ No newline at end of file
diff --git a/const/primitive/MILLION.js b/const/primitive/MILLION.js
deleted file mode 100644
index 75edcfa..0000000
--- a/const/primitive/MILLION.js
+++ /dev/null
@@ -1 +0,0 @@
-module.exports = MILLION = `ล้าน`;
\ No newline at end of file
diff --git a/const/primitive/MILLION.mjs b/const/primitive/MILLION.mjs
new file mode 100644
index 0000000..c8d1349
--- /dev/null
+++ b/const/primitive/MILLION.mjs
@@ -0,0 +1,2 @@
+const MILLION = `ล้าน`;
+export default MILLION;
\ No newline at end of file
diff --git a/const/primitive/NINE.js b/const/primitive/NINE.js
deleted file mode 100644
index fc083f4..0000000
--- a/const/primitive/NINE.js
+++ /dev/null
@@ -1 +0,0 @@
-module.exports = NINE = `เก้า`;
\ No newline at end of file
diff --git a/const/primitive/NINE.mjs b/const/primitive/NINE.mjs
new file mode 100644
index 0000000..e776421
--- /dev/null
+++ b/const/primitive/NINE.mjs
@@ -0,0 +1,2 @@
+const NINE = `เก้า`;
+export default NINE;
\ No newline at end of file
diff --git a/const/primitive/ONE.js b/const/primitive/ONE.js
deleted file mode 100644
index b861f4c..0000000
--- a/const/primitive/ONE.js
+++ /dev/null
@@ -1 +0,0 @@
-module.exports = ONE = `หนึ่ง`;
\ No newline at end of file
diff --git a/const/primitive/ONE.mjs b/const/primitive/ONE.mjs
new file mode 100644
index 0000000..7cfa362
--- /dev/null
+++ b/const/primitive/ONE.mjs
@@ -0,0 +1,2 @@
+const ONE = `หนึ่ง`;
+export default ONE;
\ No newline at end of file
diff --git a/const/primitive/READAS.js b/const/primitive/READAS.js
deleted file mode 100644
index d9498a0..0000000
--- a/const/primitive/READAS.js
+++ /dev/null
@@ -1 +0,0 @@
-module.exports = READAS = `อ่านว่า`;
\ No newline at end of file
diff --git a/const/primitive/READAS.mjs b/const/primitive/READAS.mjs
new file mode 100644
index 0000000..7bb108e
--- /dev/null
+++ b/const/primitive/READAS.mjs
@@ -0,0 +1,2 @@
+const READAS = `อ่านว่า`;
+export default READAS;
\ No newline at end of file
diff --git a/const/primitive/SATANG.js b/const/primitive/SATANG.js
deleted file mode 100644
index 9558139..0000000
--- a/const/primitive/SATANG.js
+++ /dev/null
@@ -1 +0,0 @@
-module.exports = SATANG = `สตางค์`;
\ No newline at end of file
diff --git a/const/primitive/SATANG.mjs b/const/primitive/SATANG.mjs
new file mode 100644
index 0000000..eba122c
--- /dev/null
+++ b/const/primitive/SATANG.mjs
@@ -0,0 +1,2 @@
+const SATANG = `สตางค์`;
+export default SATANG;
\ No newline at end of file
diff --git a/const/primitive/SEVEN.js b/const/primitive/SEVEN.js
deleted file mode 100644
index 69461dc..0000000
--- a/const/primitive/SEVEN.js
+++ /dev/null
@@ -1 +0,0 @@
-module.exports = SEVEN = `เจ็ด`;
\ No newline at end of file
diff --git a/const/primitive/SEVEN.mjs b/const/primitive/SEVEN.mjs
new file mode 100644
index 0000000..8fcd82b
--- /dev/null
+++ b/const/primitive/SEVEN.mjs
@@ -0,0 +1,2 @@
+const SEVEN = `เจ็ด`;
+export default SEVEN;
\ No newline at end of file
diff --git a/const/primitive/SIX.js b/const/primitive/SIX.js
deleted file mode 100644
index 637db2c..0000000
--- a/const/primitive/SIX.js
+++ /dev/null
@@ -1 +0,0 @@
-module.exports = SIX = `หก`;
\ No newline at end of file
diff --git a/const/primitive/SIX.mjs b/const/primitive/SIX.mjs
new file mode 100644
index 0000000..d1aba43
--- /dev/null
+++ b/const/primitive/SIX.mjs
@@ -0,0 +1,2 @@
+const SIX = `หก`;
+export default SIX;
\ No newline at end of file
diff --git a/const/primitive/SPECIALONE.js b/const/primitive/SPECIALONE.js
deleted file mode 100644
index d6ff520..0000000
--- a/const/primitive/SPECIALONE.js
+++ /dev/null
@@ -1 +0,0 @@
-module.exports = SPECIALONE = `เอ็ด`;
\ No newline at end of file
diff --git a/const/primitive/SPECIALONE.mjs b/const/primitive/SPECIALONE.mjs
new file mode 100644
index 0000000..056a08e
--- /dev/null
+++ b/const/primitive/SPECIALONE.mjs
@@ -0,0 +1,2 @@
+const SPECIALONE = `เอ็ด`;
+export default SPECIALONE;
\ No newline at end of file
diff --git a/const/primitive/SPECIALTWO.js b/const/primitive/SPECIALTWO.js
deleted file mode 100644
index 1641203..0000000
--- a/const/primitive/SPECIALTWO.js
+++ /dev/null
@@ -1 +0,0 @@
-module.exports = SPECIALTWO = `ยี่`;
\ No newline at end of file
diff --git a/const/primitive/SPECIALTWO.mjs b/const/primitive/SPECIALTWO.mjs
new file mode 100644
index 0000000..b9d8b74
--- /dev/null
+++ b/const/primitive/SPECIALTWO.mjs
@@ -0,0 +1,2 @@
+const SPECIALTWO = `ยี่`;
+export default SPECIALTWO;
\ No newline at end of file
diff --git a/const/primitive/TEN.js b/const/primitive/TEN.js
deleted file mode 100644
index 2324426..0000000
--- a/const/primitive/TEN.js
+++ /dev/null
@@ -1 +0,0 @@
-module.exports = TEN = `สิบ`;
\ No newline at end of file
diff --git a/const/primitive/TEN.mjs b/const/primitive/TEN.mjs
new file mode 100644
index 0000000..1ef657b
--- /dev/null
+++ b/const/primitive/TEN.mjs
@@ -0,0 +1,2 @@
+const TEN = `สิบ`;
+export default TEN;
\ No newline at end of file
diff --git a/const/primitive/TENTHOUSAND.js b/const/primitive/TENTHOUSAND.js
deleted file mode 100644
index 394bc28..0000000
--- a/const/primitive/TENTHOUSAND.js
+++ /dev/null
@@ -1 +0,0 @@
-module.exports = TENTHOUSAND = `หมื่น`;
\ No newline at end of file
diff --git a/const/primitive/TENTHOUSAND.mjs b/const/primitive/TENTHOUSAND.mjs
new file mode 100644
index 0000000..c562675
--- /dev/null
+++ b/const/primitive/TENTHOUSAND.mjs
@@ -0,0 +1,2 @@
+const TENTHOUSAND = `หมื่น`;
+export default TENTHOUSAND;
\ No newline at end of file
diff --git a/const/primitive/THOUSAND.js b/const/primitive/THOUSAND.js
deleted file mode 100644
index 2c50fbb..0000000
--- a/const/primitive/THOUSAND.js
+++ /dev/null
@@ -1 +0,0 @@
-module.exports = THOUSAND = `พัน`;
\ No newline at end of file
diff --git a/const/primitive/THOUSAND.mjs b/const/primitive/THOUSAND.mjs
new file mode 100644
index 0000000..c83c310
--- /dev/null
+++ b/const/primitive/THOUSAND.mjs
@@ -0,0 +1,2 @@
+const THOUSAND = `พัน`;
+export default THOUSAND;
\ No newline at end of file
diff --git a/const/primitive/THREE.js b/const/primitive/THREE.js
deleted file mode 100644
index e70cbf3..0000000
--- a/const/primitive/THREE.js
+++ /dev/null
@@ -1 +0,0 @@
-module.exports = THREE = `สาม`;
\ No newline at end of file
diff --git a/const/primitive/THREE.mjs b/const/primitive/THREE.mjs
new file mode 100644
index 0000000..faf8084
--- /dev/null
+++ b/const/primitive/THREE.mjs
@@ -0,0 +1,2 @@
+const THREE = `สาม`;
+export default THREE;
\ No newline at end of file
diff --git a/const/primitive/TWO.js b/const/primitive/TWO.js
deleted file mode 100644
index d1605eb..0000000
--- a/const/primitive/TWO.js
+++ /dev/null
@@ -1 +0,0 @@
-module.exports = TWO = `สอง`;
\ No newline at end of file
diff --git a/const/primitive/TWO.mjs b/const/primitive/TWO.mjs
new file mode 100644
index 0000000..90b2e11
--- /dev/null
+++ b/const/primitive/TWO.mjs
@@ -0,0 +1,2 @@
+const TWO = `สอง`;
+export default TWO;
\ No newline at end of file
diff --git a/const/primitive/VERSION.js b/const/primitive/VERSION.js
deleted file mode 100644
index ae8d3c8..0000000
--- a/const/primitive/VERSION.js
+++ /dev/null
@@ -1 +0,0 @@
-module.exports = VERSION = `1.4.5`;
\ No newline at end of file
diff --git a/const/primitive/VERSION.mjs b/const/primitive/VERSION.mjs
new file mode 100644
index 0000000..e0270ad
--- /dev/null
+++ b/const/primitive/VERSION.mjs
@@ -0,0 +1,2 @@
+const VERSION = `2.0.0`;
+export default VERSION;
\ No newline at end of file
diff --git a/const/primitive/ZERO.js b/const/primitive/ZERO.js
deleted file mode 100644
index 7d0f800..0000000
--- a/const/primitive/ZERO.js
+++ /dev/null
@@ -1 +0,0 @@
-module.exports = ZERO = `ศูนย์`;
\ No newline at end of file
diff --git a/const/primitive/ZERO.mjs b/const/primitive/ZERO.mjs
new file mode 100644
index 0000000..68dc6b2
--- /dev/null
+++ b/const/primitive/ZERO.mjs
@@ -0,0 +1,2 @@
+const ZERO = `ศูนย์`;
+export default ZERO;
\ No newline at end of file
diff --git a/const/primitive/negative.js b/const/primitive/negative.js
deleted file mode 100644
index 54ac975..0000000
--- a/const/primitive/negative.js
+++ /dev/null
@@ -1 +0,0 @@
-module.exports = negative = `ลบ`;
\ No newline at end of file
diff --git a/const/primitive/negative.mjs b/const/primitive/negative.mjs
new file mode 100644
index 0000000..383ac13
--- /dev/null
+++ b/const/primitive/negative.mjs
@@ -0,0 +1,2 @@
+const negative = `ลบ`;
+export default negative;
\ No newline at end of file
diff --git a/const/regex/ElevenToNineteenRegex.js b/const/regex/ElevenToNineteenRegex.js
deleted file mode 100644
index c81cc2b..0000000
--- a/const/regex/ElevenToNineteenRegex.js
+++ /dev/null
@@ -1 +0,0 @@
-module.exports = ElevenToNineteenRegex = /^สิบ(เอ็ด|สอง|สาม|สี่|ห้า|หก|เจ็ด|แปด|เก้า)$/;
diff --git a/const/regex/ElevenToNineteenRegex.mjs b/const/regex/ElevenToNineteenRegex.mjs
new file mode 100644
index 0000000..6eba723
--- /dev/null
+++ b/const/regex/ElevenToNineteenRegex.mjs
@@ -0,0 +1,2 @@
+const ElevenToNineteenRegex = /^สิบ(เอ็ด|สอง|สาม|สี่|ห้า|หก|เจ็ด|แปด|เก้า)$/;
+export default ElevenToNineteenRegex;
\ No newline at end of file
diff --git a/const/regex/LAST6DIGITPATTERN.js b/const/regex/LAST6DIGITPATTERN.js
deleted file mode 100644
index 3afc104..0000000
--- a/const/regex/LAST6DIGITPATTERN.js
+++ /dev/null
@@ -1 +0,0 @@
-module.exports = LAST6DIGITPATTERN = /\d{1,6}$/g;;
\ No newline at end of file
diff --git a/const/regex/LAST6DIGITPATTERN.mjs b/const/regex/LAST6DIGITPATTERN.mjs
new file mode 100644
index 0000000..84d3a46
--- /dev/null
+++ b/const/regex/LAST6DIGITPATTERN.mjs
@@ -0,0 +1,2 @@
+const LAST6DIGITPATTERN = /\d{1,6}$/g;
+export default LAST6DIGITPATTERN;
\ No newline at end of file
diff --git a/const/regex/OneToTenTextRegex.js b/const/regex/OneToTenTextRegex.js
deleted file mode 100644
index 6e30592..0000000
--- a/const/regex/OneToTenTextRegex.js
+++ /dev/null
@@ -1,2 +0,0 @@
-module.exports = OneToTenTextRegex =
-  /^(หนึ่ง|สอง|สาม|สี่|ห้า|หก|เจ็ด|แปด|เก้า|สิบ)$/;
\ No newline at end of file
diff --git a/const/regex/OneToTenTextRegex.mjs b/const/regex/OneToTenTextRegex.mjs
new file mode 100644
index 0000000..be979bd
--- /dev/null
+++ b/const/regex/OneToTenTextRegex.mjs
@@ -0,0 +1,3 @@
+const OneToTenTextRegex =
+  /^(หนึ่ง|สอง|สาม|สี่|ห้า|หก|เจ็ด|แปด|เก้า|สิบ)$/;
+export default OneToTenTextRegex;
\ No newline at end of file
diff --git a/const/regex/SPLITPATTERN.js b/const/regex/SPLITPATTERN.js
deleted file mode 100644
index 6b8b8f1..0000000
--- a/const/regex/SPLITPATTERN.js
+++ /dev/null
@@ -1 +0,0 @@
-module.exports = SPLITPATTERN = /^(\d*)(\.\d{0,2}0*)?$/;
\ No newline at end of file
diff --git a/const/regex/SPLITPATTERN.mjs b/const/regex/SPLITPATTERN.mjs
new file mode 100644
index 0000000..046705c
--- /dev/null
+++ b/const/regex/SPLITPATTERN.mjs
@@ -0,0 +1,2 @@
+const SPLITPATTERN = /^(\d*)(\.\d{0,2}0*)?$/;
+export default SPLITPATTERN;
\ No newline at end of file
diff --git a/const/regex/TwentyToNinetyNine.js b/const/regex/TwentyToNinetyNine.mjs
similarity index 73%
rename from const/regex/TwentyToNinetyNine.js
rename to const/regex/TwentyToNinetyNine.mjs
index 521fcf7..987a70a 100644
--- a/const/regex/TwentyToNinetyNine.js
+++ b/const/regex/TwentyToNinetyNine.mjs
@@ -1,2 +1,3 @@
-module.exports = TwentyToNinetyNine =
-  /^(ยี่|สาม|สี่|ห้า|หก|เจ็ด|แปด|เก้า)สิบ(เอ็ด|สอง|สาม|สี่|ห้า|หก|เจ็ด|แปด|เก้า)?$/;
\ No newline at end of file
+const TwentyToNinetyNine =
+  /^(ยี่|สาม|สี่|ห้า|หก|เจ็ด|แปด|เก้า)สิบ(เอ็ด|สอง|สาม|สี่|ห้า|หก|เจ็ด|แปด|เก้า)?$/;
+export default TwentyToNinetyNine;
\ No newline at end of file
diff --git a/const/regex/ValidSATANGRegex.js b/const/regex/ValidSATANGRegex.mjs
similarity index 75%
rename from const/regex/ValidSATANGRegex.js
rename to const/regex/ValidSATANGRegex.mjs
index cb038c9..a603534 100644
--- a/const/regex/ValidSATANGRegex.js
+++ b/const/regex/ValidSATANGRegex.mjs
@@ -1,2 +1,3 @@
-module.exports = ValidSATANGRegex =
-  /((ยี่|สาม|สี่|ห้า|หก|เจ็ด|แปด|เก้า)?(สิบ)(เอ็ด|สอง|สาม|สี่|ห้า|หก|เจ็ด|แปด|เก้า)?)สตางค์|(หนึ่ง|สอง|สาม|สี่|ห้า|หก|เจ็ด|แปด|เก้า|สิบ)สตางค์|(ถ้วน)/gs;
\ No newline at end of file
+const ValidSATANGRegex =
+  /((ยี่|สาม|สี่|ห้า|หก|เจ็ด|แปด|เก้า)?(สิบ)(เอ็ด|สอง|สาม|สี่|ห้า|หก|เจ็ด|แปด|เก้า)?)สตางค์|(หนึ่ง|สอง|สาม|สี่|ห้า|หก|เจ็ด|แปด|เก้า|สิบ)สตางค์|(ถ้วน)/gs;
+export default ValidSATANGRegex;
\ No newline at end of file
diff --git a/const/regex/defaultBulkBahtTextPat.js b/const/regex/defaultBulkBahtTextPat.js
deleted file mode 100644
index 8a1a5d7..0000000
--- a/const/regex/defaultBulkBahtTextPat.js
+++ /dev/null
@@ -1 +0,0 @@
-module.exports = defaultBulkBahtTextPat = /\b(\d+)(\.\d{0,2}0*)?\b/g;
\ No newline at end of file
diff --git a/const/regex/defaultBulkBahtTextPat.mjs b/const/regex/defaultBulkBahtTextPat.mjs
new file mode 100644
index 0000000..6e21e4d
--- /dev/null
+++ b/const/regex/defaultBulkBahtTextPat.mjs
@@ -0,0 +1,2 @@
+const defaultBulkBahtTextPat = /\b(\d+)(\.\d{0,2}0*)?\b/g;
+export default defaultBulkBahtTextPat;
\ No newline at end of file
diff --git a/const/regex/defaultBulkBahtTextSkips.js b/const/regex/defaultBulkBahtTextSkips.js
deleted file mode 100644
index b20a183..0000000
--- a/const/regex/defaultBulkBahtTextSkips.js
+++ /dev/null
@@ -1 +0,0 @@
-module.exports = defaultBulkBahtTextSkips = [/\b5+\+?\b/];
\ No newline at end of file
diff --git a/const/regex/defaultBulkBahtTextSkips.mjs b/const/regex/defaultBulkBahtTextSkips.mjs
new file mode 100644
index 0000000..718b5eb
--- /dev/null
+++ b/const/regex/defaultBulkBahtTextSkips.mjs
@@ -0,0 +1,2 @@
+const defaultBulkBahtTextSkips = [/\b5+\+?\b/];
+export default defaultBulkBahtTextSkips;
\ No newline at end of file
diff --git a/const/regex/octalRegex1.js b/const/regex/octalRegex1.js
deleted file mode 100644
index cd462d8..0000000
--- a/const/regex/octalRegex1.js
+++ /dev/null
@@ -1 +0,0 @@
-module.exports = octalRegex1 = /^0o?[0-7]+$/i;
\ No newline at end of file
diff --git a/const/regex/octalRegex1.mjs b/const/regex/octalRegex1.mjs
new file mode 100644
index 0000000..213bb1c
--- /dev/null
+++ b/const/regex/octalRegex1.mjs
@@ -0,0 +1,2 @@
+const octalRegex1 = /^0o?[0-7]+$/i;
+export default octalRegex1;
\ No newline at end of file
diff --git a/const/regex/octalRegex2.js b/const/regex/octalRegex2.js
deleted file mode 100644
index 041a9d7..0000000
--- a/const/regex/octalRegex2.js
+++ /dev/null
@@ -1 +0,0 @@
-module.exports = octalRegex2 = /^0+[0-7]+$/i;
\ No newline at end of file
diff --git a/const/regex/octalRegex2.mjs b/const/regex/octalRegex2.mjs
new file mode 100644
index 0000000..af17876
--- /dev/null
+++ b/const/regex/octalRegex2.mjs
@@ -0,0 +1,2 @@
+const octalRegex2 = /^0+[0-7]+$/i;
+export default octalRegex2;
\ No newline at end of file
diff --git a/function/ABT.js b/function/ABT.mjs
similarity index 68%
rename from function/ABT.js
rename to function/ABT.mjs
index 2c40bc3..ea07383 100644
--- a/function/ABT.js
+++ b/function/ABT.mjs
@@ -1,6 +1,9 @@
-const NEG = require(`./NEG`)
-const BF = require(`./BF`)
-module.exports = ABT = (money, ed = false, allow_neg = false) => {
+import THBText from "thai-baht-text";
+import NEG from "./NEG.mjs";
+import BF from "./BF.mjs";
+import { MAX_SAFE_INTEGER } from "../const/index.mjs";
+
+const ABT = (money, ed = false, allow_neg = false) => {
   let retVal = undefined;
   if (!money) return retVal;
   switch (typeof money) {
@@ -8,7 +11,6 @@ module.exports = ABT = (money, ed = false, allow_neg = false) => {
       if (money > MAX_SAFE_INTEGER) {
         console.warn(`Consider use BahtRext`);
       }
-      const THBText = require("thai-baht-text");
       if (money < 0) {
         retVal = `ลบ${THBText(-money)}`;
       } else {
@@ -24,4 +26,5 @@ module.exports = ABT = (money, ed = false, allow_neg = false) => {
       break;
   }
   return retVal;
-};
\ No newline at end of file
+};
+export default ABT;
\ No newline at end of file
diff --git a/function/BF.js b/function/BF.mjs
similarity index 60%
rename from function/BF.js
rename to function/BF.mjs
index df1bae0..2d0e6df 100644
--- a/function/BF.js
+++ b/function/BF.mjs
@@ -1,7 +1,7 @@
-const THAI2ARABICNumerals = require(`../const/array/THAI2ARABICNumerals`);
-const BT = require("./BT")
+import THAI2ARABICNumerals from "../const/array/THAI2ARABICNumerals.mjs";
+import BT from "./BT.mjs";
 
-module.exports = BF = (flexmoney, ed = false, InvalidType = `Invalid Type`, OL = false) => {
+const BF = (flexmoney, ed = false, InvalidType = `Invalid Type`, OL = false) => {
   if (!flexmoney) return undefined;
   if (typeof flexmoney !== "string") return InvalidType;
   let money = flexmoney;
@@ -13,3 +13,5 @@ module.exports = BF = (flexmoney, ed = false, InvalidType = `Invalid Type`, OL =
   }
   return BT(money, ed, OL);
 };
+
+export default BF;
\ No newline at end of file
diff --git a/function/BT.js b/function/BT.mjs
similarity index 56%
rename from function/BT.js
rename to function/BT.mjs
index 5ee1e0f..2934948 100644
--- a/function/BT.js
+++ b/function/BT.mjs
@@ -1,8 +1,11 @@
-const {isOctal, toDec} = require(`../octal`)
-const MoneyInvalid = require(`../snippet/MoneyInvalid`);
-const BahtText = require("./BahtText");
+import { isOctal, toDec } from "../octal.mjs";
+import MoneyInvalid from "../snippet/MoneyInvalid.mjs";
+import BahtText from "./BahtText.mjs";
+import READAS from "../const/primitive/READAS.mjs";
+import THB from "../const/THB.mjs";
+import GoogleSheetsCellCharactersLimit from "../const/primitive/GoogleSheetsCellCharactersLimit.mjs";
 
-module.exports = BT = (money, ed = false, OL = false, rounding = ``) => {
+const BT = (money, ed = false, OL = false, rounding = ``) => {
   const isOL = OL && isOctal(money);
   if (isOL) {
     money = toDec(money);
@@ -27,3 +30,4 @@ module.exports = BT = (money, ed = false, OL = false, rounding = ``) => {
   }
   return retText;
 };
+export default BT;
\ No newline at end of file
diff --git a/function/BahtText.js b/function/BahtText.mjs
similarity index 61%
rename from function/BahtText.js
rename to function/BahtText.mjs
index 7c3ffed..86dc18a 100644
--- a/function/BahtText.js
+++ b/function/BahtText.mjs
@@ -1,15 +1,17 @@
-const splitIntFrac = require(`./splitIntFrac`)
-const MoneyLaundering = require(`./MoneyLaundering`)
-const PrintBaht = require(`./PrintBaht`)
-const { THAINUMBERWORDS , BAHT, FULLBAHT} = require(`../const`);
-const PrintSatangs = require(`./PrintSatangs`);
-const IsMoneyValidate = require("./IsMoneyValidate");
-const op = require(`operation-strint`);
-const MoneyInvalid = require(`../snippet/MoneyInvalid`);
-const THB = require("../const/THB")
-const READAS = require("../const/primitive/READAS");
+import splitIntFrac from "./splitIntFrac.mjs";
+import MoneyLaundering from "./MoneyLaundering.mjs";
+import PrintBaht from "./PrintBaht.mjs";
+import THAINUMBERWORDS from "../const/array/THAINUMBERWORDS.mjs";
+import BAHT from "../const/primitive/BAHT.mjs";
+import FULLBAHT from "../const/primitive/FULLBAHT.mjs";
+import PrintSatangs from "./PrintSatangs.mjs";
+import IsMoneyValidate from "./IsMoneyValidate.mjs";
+import op from "operation-strint"
+import MoneyInvalid from "../snippet/MoneyInvalid.mjs";
+import THB from "../const/THB.mjs";
+import READAS from "../const/primitive/READAS.mjs";
 
-module.exports = BahtText = (
+const BahtText = (
   money,
   ed = false,
   currencyformat = THB,
@@ -38,3 +40,4 @@ module.exports = BahtText = (
     currencyformat ? currencyformat.format(moneyFull) : moneyFull
   } ${arrow} "${baht_part}${satang_part[0]}"`;
 };
+export default BahtText;
\ No newline at end of file
diff --git a/function/BulkBahtText.js b/function/BulkBahtText.mjs
similarity index 58%
rename from function/BulkBahtText.js
rename to function/BulkBahtText.mjs
index 9dc7d7f..2bd445b 100644
--- a/function/BulkBahtText.js
+++ b/function/BulkBahtText.mjs
@@ -1,9 +1,9 @@
-const BahtText = require(`./BahtText`)
-const IsMatchInSkipsPattern = require(`./IsMatchInSkipsPattern`);
-const defaultBulkBahtTextPat = require(`../const/regex/defaultBulkBahtTextPat`);
-const defaultBulkBahtTextSkips = require(`../const/regex/defaultBulkBahtTextSkips`);
+import BahtText from "./BahtText.mjs";
+import IsMatchInSkipsPattern from "./IsMatchInSkipsPattern.mjs";
+import defaultBulkBahtTextPat from "../const/regex/defaultBulkBahtTextPat.mjs";
+import defaultBulkBahtTextSkips from "../const/regex/defaultBulkBahtTextSkips.mjs";
 
-module.exports = BulkBahtText = (
+const BulkBahtText = (
   str,
   pat = defaultBulkBahtTextPat,
   skips = defaultBulkBahtTextSkips,
@@ -22,4 +22,5 @@ module.exports = BulkBahtText = (
     );
   }
   return str;
-};
\ No newline at end of file
+};
+export default BulkBahtText;
\ No newline at end of file
diff --git a/function/IsMatchInSkipsPattern.js b/function/IsMatchInSkipsPattern.js
deleted file mode 100644
index 4753ce1..0000000
--- a/function/IsMatchInSkipsPattern.js
+++ /dev/null
@@ -1,6 +0,0 @@
-module.exports = IsMatchInSkipsPattern = (match, skips) => {
-  for (const skip of skips) {
-    if (skip.test(match)) return true;
-  }
-  return false;
-};
\ No newline at end of file
diff --git a/function/IsMatchInSkipsPattern.mjs b/function/IsMatchInSkipsPattern.mjs
new file mode 100644
index 0000000..8f3de20
--- /dev/null
+++ b/function/IsMatchInSkipsPattern.mjs
@@ -0,0 +1,7 @@
+const IsMatchInSkipsPattern = (match, skips) => {
+  for (const skip of skips) {
+    if (skip.test(match)) return true;
+  }
+  return false;
+};
+export default IsMatchInSkipsPattern;
\ No newline at end of file
diff --git a/function/IsMoneyValidate.js b/function/IsMoneyValidate.js
deleted file mode 100644
index 0f01ab0..0000000
--- a/function/IsMoneyValidate.js
+++ /dev/null
@@ -1,5 +0,0 @@
-const SPLITPATTERN = require(`../const/regex/SPLITPATTERN`)
-module.exports = IsMoneyValidate = (money, rounding) => {
-  if (rounding === ``) return SPLITPATTERN.test(money);
-  return /\d*(\.\d+)?/.test(money);
-};
\ No newline at end of file
diff --git a/function/IsMoneyValidate.mjs b/function/IsMoneyValidate.mjs
new file mode 100644
index 0000000..c4ff437
--- /dev/null
+++ b/function/IsMoneyValidate.mjs
@@ -0,0 +1,6 @@
+import SPLITPATTERN from "../const/regex/SPLITPATTERN.mjs";
+const IsMoneyValidate = (money, rounding) => {
+  if (rounding === ``) return SPLITPATTERN.test(money);
+  return /\d*(\.\d+)?/.test(money);
+};
+export default IsMoneyValidate;
\ No newline at end of file
diff --git a/function/IsValidTB.js b/function/IsValidTB.js
deleted file mode 100644
index 89f8276..0000000
--- a/function/IsValidTB.js
+++ /dev/null
@@ -1,7 +0,0 @@
-const BT = require(`./BT`)
-const TB = require(`./TB`)
-const FULLBAHT = require(`../const/primitive/FULLBAHT`)
-module.exports = IsValidTB = (str) => {
-  const BTTB = BT(TB(str)).replace(/\s/g, "");
-  return str === BTTB.replace(FULLBAHT, "");
-};
\ No newline at end of file
diff --git a/function/IsValidTB.mjs b/function/IsValidTB.mjs
new file mode 100644
index 0000000..34d705c
--- /dev/null
+++ b/function/IsValidTB.mjs
@@ -0,0 +1,10 @@
+import BT from "./BT.mjs";
+import TB from "./TB.mjs";
+import { FULLBAHT } from "../const/index.mjs";
+
+const IsValidTB = (str) => {
+  const BTTB = BT(TB(str)).replace(/\s/g, "");
+  return str === BTTB.replace(FULLBAHT, "");
+};
+
+export default IsValidTB;
\ No newline at end of file
diff --git a/function/IsValidText.js b/function/IsValidText.mjs
similarity index 78%
rename from function/IsValidText.js
rename to function/IsValidText.mjs
index 0fec664..19ecbad 100644
--- a/function/IsValidText.js
+++ b/function/IsValidText.mjs
@@ -1,15 +1,15 @@
-const MILLION = require(`../const/primitive/MILLION`);
-const REVERSETHAIDIGITWORDS = require(`../const/array/REVERSETHAIDIGITWORDS`);
-const HUNDREDTHOUSAND = require(`../const/primitive/HUNDREDTHOUSAND`);
-const TENTHOUSAND = require(`../const/primitive/TENTHOUSAND`);
-const THOUSAND = require(`../const/primitive/THOUSAND`);
-const HUNDRED = require(`../const/primitive/HUNDRED`);
-const TEN = require(`../const/primitive/TEN`);
-const SPECIALONE = require(`../const/primitive/SPECIALONE`);
-const SPECIALTWO = require(`../const/primitive/SPECIALTWO`);
-const ONETONINE = require(`../const/array/ONETONINE`);
+import MILLION from "../const/primitive/MILLION.mjs";
+import REVERSETHAIDIGITWORDS from "../const/array/REVERSETHAIDIGITWORDS.mjs";
+import HUNDRED from "../const/primitive/HUNDREDTHOUSAND.mjs";
+import HUNDREDTHOUSAND from "../const/primitive/HUNDREDTHOUSAND.mjs";
+import TENTHOUSAND from "../const/primitive/TENTHOUSAND.mjs";
+import THOUSAND from "../const/primitive/THOUSAND.mjs";
+import TEN from "../const/primitive/TEN.mjs";
+import SPECIALONE from "../const/primitive/SPECIALONE.mjs";
+import SPECIALTWO from "../const/primitive/SPECIALTWO.mjs";
+import ONETONINE from "../const/array/ONETONINE.mjs";
 
-module.exports = IsValidText = (text) => {
+const IsValidText = (text) => {
   if (typeof text !== `string`) return false;
   if (text.replace(/ล้าน/g, "") === "") return false;
   const sixdigitswords = text.split(MILLION);
@@ -72,4 +72,5 @@ module.exports = IsValidText = (text) => {
     }
   }
   return true;
-};
\ No newline at end of file
+};
+export default IsValidText;
\ No newline at end of file
diff --git a/function/LNBT.js b/function/LNBT.mjs
similarity index 75%
rename from function/LNBT.js
rename to function/LNBT.mjs
index 66fe242..e72f0e6 100644
--- a/function/LNBT.js
+++ b/function/LNBT.mjs
@@ -1,8 +1,8 @@
-const large_numbers = require(`../const/array/large_numbers`)
-const BT = require(`./BT`)
-const repeat = require("./repeat")
+import large_numbers from "../const/array/large_numbers.mjs";
+import BT from "./BT.mjs";
+import repeat from "./repeat.mjs";
 
-module.exports = LNBT = (nameorpowerof10, d = `1`) => {
+const LNBT = (nameorpowerof10, d = `1`) => {
   const tnameorpowerof10 = typeof nameorpowerof10;
   switch (tnameorpowerof10) {
     case `string`:
@@ -22,4 +22,6 @@ module.exports = LNBT = (nameorpowerof10, d = `1`) => {
     default:
       return undefined;
   }
-};
\ No newline at end of file
+};
+
+export default LNBT;
\ No newline at end of file
diff --git a/function/MoneyLaundering.js b/function/MoneyLaundering.js
deleted file mode 100644
index 66810df..0000000
--- a/function/MoneyLaundering.js
+++ /dev/null
@@ -1,9 +0,0 @@
-const removeLeadingingZeros = require(`../snippet/removeLeadingingZeros`)
-module.exports = MoneyLaundering = (money) => {
-  const removeComma = money.replace(/,/g, "");
-  const removeCommaAndUnderScore = removeComma.replace(/_/g, "");
-  const removeCommaAndUnderScoreAndLeadingingZeros = removeLeadingingZeros(
-    removeCommaAndUnderScore
-  );
-  return removeCommaAndUnderScoreAndLeadingingZeros;
-};
\ No newline at end of file
diff --git a/function/MoneyLaundering.mjs b/function/MoneyLaundering.mjs
new file mode 100644
index 0000000..78ca096
--- /dev/null
+++ b/function/MoneyLaundering.mjs
@@ -0,0 +1,11 @@
+import removeLeadingZeros from "../snippet/removeLeadingZeros.mjs";
+
+const MoneyLaundering = (money) => {
+  const removeComma = money.replace(/,/g, "");
+  const removeCommaAndUnderScore = removeComma.replace(/_/g, "");
+  const removeCommaAndUnderScoreAndLeadingZeros = removeLeadingZeros(
+    removeCommaAndUnderScore
+  );
+  return removeCommaAndUnderScoreAndLeadingZeros;
+};
+export default MoneyLaundering;
\ No newline at end of file
diff --git a/function/NEG.js b/function/NEG.mjs
similarity index 61%
rename from function/NEG.js
rename to function/NEG.mjs
index a5ef8bd..a375a61 100644
--- a/function/NEG.js
+++ b/function/NEG.mjs
@@ -1,6 +1,7 @@
-const negative = require(`../const/primitive/negative`)
-const BF = require(`./BF`)
-module.exports = NEG = (money, ed = false, f = BF, neg = negative) => {
+import { negative } from "../const/index.mjs"
+import BF from "./BF.mjs"
+
+const NEG = (money, ed = false, f = BF, neg = negative) => {
   let retVal
   if (
     /^\-([\d๐-๙]*)(\.\[\d๐-๙]{0,2}0*)?/.test(money) &&
@@ -12,4 +13,5 @@ module.exports = NEG = (money, ed = false, f = BF, neg = negative) => {
     retVal = f(money, ed);
   }
   return retVal
-}
\ No newline at end of file
+}
+export default NEG;
\ No newline at end of file
diff --git a/function/NumText.js b/function/NumText.mjs
similarity index 53%
rename from function/NumText.js
rename to function/NumText.mjs
index 5acc026..421b22e 100644
--- a/function/NumText.js
+++ b/function/NumText.mjs
@@ -1,9 +1,11 @@
-const THAINUMBERWORDS = require(`../const/array/THAINUMBERWORDS`);
-module.exports = NumText = (str, arr = THAINUMBERWORDS, flag = `g`) => {
+import THAINUMBERWORDS from "../const/array/THAINUMBERWORDS.mjs";
+
+const NumText = (str, arr = THAINUMBERWORDS, flag = `g`) => {
   if (!str) return undefined;
   if (typeof str !== "string") return `Invalid Type`;
   for (const i in arr) {
     str = str.replace(new RegExp(i, flag), arr[i]);
   }
   return str;
-};
\ No newline at end of file
+};
+export default NumText;
\ No newline at end of file
diff --git a/function/OB.js b/function/OB.mjs
similarity index 61%
rename from function/OB.js
rename to function/OB.mjs
index d879bcd..e498b4f 100644
--- a/function/OB.js
+++ b/function/OB.mjs
@@ -1,9 +1,10 @@
-const ABT = require(`./ABT`)
-module.exports = OB = (money) => {
+import ABT from "./ABT.mjs";
+const OB = (money) => {
   return {
     val: money,
     typ: typeof money,
     err: typeof ABT(money) === "undefined",
     txt: ABT(money),
   };
-};
\ No newline at end of file
+};
+export default OB;
\ No newline at end of file
diff --git a/function/PrintBaht.js b/function/PrintBaht.mjs
similarity index 50%
rename from function/PrintBaht.js
rename to function/PrintBaht.mjs
index afe3cc2..6d48cd2 100644
--- a/function/PrintBaht.js
+++ b/function/PrintBaht.mjs
@@ -1,8 +1,10 @@
-const hundredThousandToOne = require(`./hundredThousandToOne`)
-const LeadingSpecialOneToOne = require(`../snippet/LeadingSpecialOneToOne`);
-const LAST6DIGITPATTERN = require(`../const/regex/LAST6DIGITPATTERN`);
+import hundredThousandToOne from "./hundredThousandToOne.mjs";
+import LeadingSpecialOneToOne from "../snippet/LeadingSpecialOneToOne.mjs";
+import LAST6DIGITPATTERN from "../const/regex/LAST6DIGITPATTERN.mjs";
+import MILLION from "../const/primitive/MILLION.mjs";
+import BAHT from "../const/primitive/BAHT.mjs";
 
-module.exports = PrintBaht = (money, ed = false) => {
+const PrintBaht = (money, ed = false) => {
   if (!money) return ``;
   let newMoney = [];
   while (money != ``) {
@@ -14,4 +16,6 @@ module.exports = PrintBaht = (money, ed = false) => {
     /ล้าน$/,
     ``
   )}${BAHT}`;
-};
\ No newline at end of file
+};
+
+export default PrintBaht;
\ No newline at end of file
diff --git a/function/PrintSatangs.js b/function/PrintSatangs.mjs
similarity index 66%
rename from function/PrintSatangs.js
rename to function/PrintSatangs.mjs
index 342c228..15f6d04 100644
--- a/function/PrintSatangs.js
+++ b/function/PrintSatangs.mjs
@@ -1,12 +1,10 @@
-const {
-    FULLBAHT,
-    SATANG
-} = require(`../const`)
-const SatangFirstDigit = require(`./SatangFirstDigit`);
-const SatangSecondDigit = require(`./SatangSecondDigit`);
-const op = require(`operation-strint`)
+import FULLBAHT from "../const/primitive/FULLBAHT.mjs";
+import SATANG from "../const/primitive/SATANG.mjs";
+import SatangFirstDigit from "./SatangFirstDigit.mjs";
+import SatangSecondDigit from "./SatangSecondDigit.mjs";
+import op from "operation-strint"
 
-module.exports = PrintSatangs = (satangs, rounding = ``) => {
+const PrintSatangs = (satangs, rounding = ``) => {
   if (satangs.match(/^0*$/)) return [FULLBAHT, `0`];
   if ((!/^\d{0,2}$/.test(satangs) && rounding === ``) || /[^\d]/.test(satangs))
     return [undefined, `0`];
@@ -25,4 +23,5 @@ module.exports = PrintSatangs = (satangs, rounding = ``) => {
     satangs
   )}${SATANG}`;
   return [satangword, `0`];
-};
\ No newline at end of file
+};
+export default PrintSatangs;
\ No newline at end of file
diff --git a/function/SEP.js b/function/SEP.mjs
similarity index 55%
rename from function/SEP.js
rename to function/SEP.mjs
index 310a8c2..e958139 100644
--- a/function/SEP.js
+++ b/function/SEP.mjs
@@ -1,13 +1,13 @@
-const ABT = require(`./ABT`)
-const ONETONINE = require(`../const/array/ONETONINE`);
-const REVERSETHAIDIGITWORDS = require(`../const/array/REVERSETHAIDIGITWORDS`);
-const MILLION = require(`../const/primitive/MILLION`);
-const SPECIALONE = require(`../const/primitive/SPECIALONE`);
-const SPECIALTWO = require(`../const/primitive/SPECIALTWO`);
-const BAHT = require(`../const/primitive/BAHT`);
-const FULLBAHT = require(`../const/primitive/FULLBAHT`);
+import ABT from "./ABT.mjs";
+import ONETONINE from "../const/array/ONETONINE.mjs";
+import REVERSETHAIDIGITWORDS from "../const/array/REVERSETHAIDIGITWORDS.mjs";
+import MILLION from "../const/primitive/MILLION.mjs";
+import SPECIALONE from "../const/primitive/SPECIALONE.mjs";
+import SPECIALTWO from "../const/primitive/SPECIALTWO.mjs";
+import BAHT from "../const/primitive/BAHT.mjs";
+import FULLBAHT from "../const/primitive/FULLBAHT.mjs";
 
-module.exports = SEP = (num, separator = `-`) => {
+const SEP = (num, separator = `-`) => {
   let ret = ABT(num, true);
   for (let i of ONETONINE) {
     ret = ret.replace(new RegExp(i, `g`), `${i}${separator}`);
@@ -23,4 +23,6 @@ module.exports = SEP = (num, separator = `-`) => {
     .replace(BAHT, `${BAHT}${separator}`)
     .replace(new RegExp(`${separator}$`), ``);
   return ret;
-};
\ No newline at end of file
+};
+
+export default SEP;
\ No newline at end of file
diff --git a/function/SatangFirstDigit.js b/function/SatangFirstDigit.js
deleted file mode 100644
index 016d0d2..0000000
--- a/function/SatangFirstDigit.js
+++ /dev/null
@@ -1,11 +0,0 @@
-const {
-    TEN,
-    SPECIALTWO,
-    THAINUMBERWORDS
-} = require(`../const`)
-module.exports = SatangFirstDigit = (digit) => {
-  if (digit == 0) return ``;
-  if (digit == 1) return `${TEN}`;
-  if (digit == 2) return `${SPECIALTWO}${TEN}`;
-  return `${THAINUMBERWORDS[parseInt(digit)]}${TEN}`;
-};
\ No newline at end of file
diff --git a/function/SatangFirstDigit.mjs b/function/SatangFirstDigit.mjs
new file mode 100644
index 0000000..1d7355d
--- /dev/null
+++ b/function/SatangFirstDigit.mjs
@@ -0,0 +1,10 @@
+import TEN from "../const/primitive/TEN.mjs"
+import SPECIALTWO from "../const/primitive/SPECIALTWO.mjs"
+import THAINUMBERWORDS from "../const/array/THAINUMBERWORDS.mjs"
+const SatangFirstDigit = (digit) => {
+  if (digit == 0) return ``;
+  if (digit == 1) return `${TEN}`;
+  if (digit == 2) return `${SPECIALTWO}${TEN}`;
+  return `${THAINUMBERWORDS[parseInt(digit)]}${TEN}`;
+};
+export default SatangFirstDigit;
\ No newline at end of file
diff --git a/function/SatangNum.js b/function/SatangNum.js
deleted file mode 100644
index da01139..0000000
--- a/function/SatangNum.js
+++ /dev/null
@@ -1,22 +0,0 @@
-const FULLBAHT = require(`../const/primitive/FULLBAHT`)
-const OneToTenTextRegex = require(`../const/regex/OneToTenTextRegex`)
-const ElevenToNineteenRegex = require(`../const/regex/ElevenToNineteenRegex`)
-const TwentyToNinetyNine = require(`../const/regex/TwentyToNinetyNine`)
-const FTHAISATANGWORDS = require(`../const/array/FTHAISATANGWORDS`);
-const LTHAISATANGWORDS = require(`../const/array/LTHAISATANGWORDS`);
-const THAINUMBERWORDS = require(`../const/array/THAINUMBERWORDS`);
-const padWithLeadingZeros = require(`../snippet/padWithLeadingZeros`);
-
-module.exports = SatangNum = (moneySatang) => {
-  if (moneySatang == FULLBAHT) {
-    return `00`;
-  } else if (OneToTenTextRegex.test(moneySatang)) {
-    return `${padWithLeadingZeros(THAINUMBERWORDS.indexOf(moneySatang), 2)}`;
-  } else if (ElevenToNineteenRegex.test(moneySatang)) {
-    return `1${LTHAISATANGWORDS.indexOf(moneySatang.split(TEN).at(-1))}`;
-  } else if (TwentyToNinetyNine.test(moneySatang)) {
-    const [f, l] = moneySatang.split(TEN);
-    return `${FTHAISATANGWORDS.indexOf(f)}${LTHAISATANGWORDS.indexOf(l)}`;
-  }
-  return undefined;
-};
\ No newline at end of file
diff --git a/function/SatangNum.mjs b/function/SatangNum.mjs
new file mode 100644
index 0000000..d831d22
--- /dev/null
+++ b/function/SatangNum.mjs
@@ -0,0 +1,23 @@
+import { FULLBAHT } from "../const/index.mjs"
+import {OneToTenTextRegex} from "../const/index.mjs"
+import ElevenToNineteenRegex from "../const/regex/ElevenToNineteenRegex.mjs"
+import TwentyToNinetyNine from "../const/regex/TwentyToNinetyNine.mjs"
+import FTHAISATANGWORDS from "../const/array/FTHAISATANGWORDS.mjs"
+import LTHAISATANGWORDS from "../const/array/LTHAISATANGWORDS.mjs"
+import THAINUMBERWORDS from "../const/array/THAINUMBERWORDS.mjs"
+import padWithLeadingZeros from "../snippet/padWithLeadingZeros.mjs"
+
+const SatangNum = (moneySatang) => {
+  if (moneySatang == FULLBAHT) {
+    return `00`;
+  } else if (OneToTenTextRegex.test(moneySatang)) {
+    return `${padWithLeadingZeros(THAINUMBERWORDS.indexOf(moneySatang), 2)}`;
+  } else if (ElevenToNineteenRegex.test(moneySatang)) {
+    return `1${LTHAISATANGWORDS.indexOf(moneySatang.split(TEN).at(-1))}`;
+  } else if (TwentyToNinetyNine.test(moneySatang)) {
+    const [f, l] = moneySatang.split(TEN);
+    return `${FTHAISATANGWORDS.indexOf(f)}${LTHAISATANGWORDS.indexOf(l)}`;
+  }
+  return undefined;
+};
+export default SatangNum;
\ No newline at end of file
diff --git a/function/SatangSecondDigit.js b/function/SatangSecondDigit.js
deleted file mode 100644
index 24ebc66..0000000
--- a/function/SatangSecondDigit.js
+++ /dev/null
@@ -1,6 +0,0 @@
-const { SPECIALONE, THAINUMBERWORDS } = require(`../const`);
-module.exports = SatangSecondDigit = (digit) => {
-  if (digit[1] === undefined || digit[1] === "0") return "";
-  if (digit[0] !== "0" && digit[1] === "1") return SPECIALONE;
-  return `${THAINUMBERWORDS[parseInt(digit[1])]}`;
-};
diff --git a/function/SatangSecondDigit.mjs b/function/SatangSecondDigit.mjs
new file mode 100644
index 0000000..8da0cae
--- /dev/null
+++ b/function/SatangSecondDigit.mjs
@@ -0,0 +1,8 @@
+import SPECIALONE from "../const/primitive/SPECIALONE.mjs";
+import THAINUMBERWORDS from "../const/array/THAINUMBERWORDS.mjs";
+const SatangSecondDigit = (digit) => {
+  if (digit[1] === undefined || digit[1] === "0") return "";
+  if (digit[0] !== "0" && digit[1] === "1") return SPECIALONE;
+  return `${THAINUMBERWORDS[parseInt(digit[1])]}`;
+};
+export default SatangSecondDigit;
\ No newline at end of file
diff --git a/function/TB.js b/function/TB.mjs
similarity index 82%
rename from function/TB.js
rename to function/TB.mjs
index 0aed876..174e00a 100644
--- a/function/TB.js
+++ b/function/TB.mjs
@@ -1,11 +1,11 @@
-const SatangNum = require(`./SatangNum`)
-const IsValidText = require(`./IsValidText`);
-const removeLeadingingZeros = require(`../snippet/removeLeadingingZeros`);
-const FULLBAHT = require(`../const/primitive/FULLBAHT`)
-const BAHT = require(`../const/primitive/BAHT`)
-const SATANG = require(`../const/primitive/SATANG`)
+import SatangNum from "./SatangNum.mjs";
+import IsValidText from "./IsValidText.mjs";
+import removeLeadingZeros from "../snippet/removeLeadingZeros.mjs";
+import FULLBAHT from "../const/primitive/FULLBAHT.mjs";
+import BAHT from "../const/primitive/BAHT.mjs";
+import SATANG from "../const/primitive/SATANG.mjs";
 
-module.exports = TB = (BT, error = `Invalid String`) => {
+const TB = (BT, error = `Invalid String`) => {
   if (!BT) return undefined;
   if (/บาท$/.test(BT)) BT = `${BT}${FULLBAHT}`;
   if (!/สตางค์$/.test(BT) && !/ถ้วน$/.test(BT)) return error;
@@ -54,7 +54,8 @@ module.exports = TB = (BT, error = `Invalid String`) => {
       )
     );
   }
-  return `${removeLeadingingZeros(moneyBahts.reverse().join(""))}.${SatangNum(
+  return `${removeLeadingZeros(moneyBahts.reverse().join(""))}.${SatangNum(
     moneySatang.replace(SATANG, ``)
   )}`;
-};
\ No newline at end of file
+};
+export default TB;
\ No newline at end of file
diff --git a/function/hundredThousandToOne.js b/function/hundredThousandToOne.mjs
similarity index 60%
rename from function/hundredThousandToOne.js
rename to function/hundredThousandToOne.mjs
index 9e64ad3..5599f36 100644
--- a/function/hundredThousandToOne.js
+++ b/function/hundredThousandToOne.mjs
@@ -1,13 +1,11 @@
-const {
-    REVERSETHAIDIGITWORDS
-    ,THAINUMBERWORDS
-    ,SPECIALONE
-    ,SPECIALTWO
-    ,TEN
-} = require(`../const`)
+import REVERSETHAIDIGITWORDS from "../const/array/REVERSETHAIDIGITWORDS.mjs";
+import {THAINUMBERWORDS} from "../const/index.mjs";
+import {SPECIALONE} from "../const/index.mjs";
+import {SPECIALTWO} from "../const/index.mjs";
+import {TEN} from "../const/index.mjs";
 
-const padWithLeadingZeros = require(`../snippet/padWithLeadingZeros`)
-module.exports = hundredThousandToOne = (digits, ed = false) => {
+import padWithLeadingZeros from "../snippet/padWithLeadingZeros.mjs";
+const hundredThousandToOne = (digits, ed = false) => {
   let word = ``;
   let c = 0;
   const digitspadWithLeadingZeros = padWithLeadingZeros(digits, 6);
@@ -30,3 +28,4 @@ module.exports = hundredThousandToOne = (digits, ed = false) => {
   }
   return word;
 };
+export default hundredThousandToOne;
\ No newline at end of file
diff --git a/function/repeat.js b/function/repeat.mjs
similarity index 56%
rename from function/repeat.js
rename to function/repeat.mjs
index aa40db9..39798ea 100644
--- a/function/repeat.js
+++ b/function/repeat.mjs
@@ -1,6 +1,7 @@
-module.exports = repeat = (str, x) => {
+const repeat = (str, x) => {
   for (const i of x) {
     str = `${str}`.repeat(i);
   }
   return str;
-};
\ No newline at end of file
+};
+export default repeat;
\ No newline at end of file
diff --git a/function/splitIntFrac.js b/function/splitIntFrac.mjs
similarity index 78%
rename from function/splitIntFrac.js
rename to function/splitIntFrac.mjs
index 69b2526..1a97ecc 100644
--- a/function/splitIntFrac.js
+++ b/function/splitIntFrac.mjs
@@ -1,8 +1,9 @@
-module.exports = splitIntFrac = (money) => {
+const splitIntFrac = (money) => {
   const match = money.match(/(\d*)(\.\d+)?/);
   let [moneyFull, moneyInt, moneyFrac] = match;
   moneyFrac === undefined
     ? (moneyFrac = "")
     : (moneyFrac = moneyFrac.replace(/^\./, ""));
   return [moneyFull, moneyInt, moneyFrac];
-};
\ No newline at end of file
+};
+export default splitIntFrac;
\ No newline at end of file
diff --git a/index.js b/index.js
deleted file mode 100644
index a8b7f2f..0000000
--- a/index.js
+++ /dev/null
@@ -1,68 +0,0 @@
-const {
-  VERSION,
-  THAI2ARABICNumerals,
-  large_numbers,
-} = require("./const");
-
-// const MoneyInvalid = require(`./snippet/MoneyInvalid`)
-const removeLeadingingZeros = require(`./snippet/removeLeadingingZeros`)
-
-const MoneyLaundering = require(`./function/MoneyLaundering`)
-const IsMoneyValidate = require(`./function/IsMoneyValidate`)
-
-// const splitIntFrac = require(`./function/splitIntFrac`)
-// const padWithLeadingZeros = require(`./snippet/padWithLeadingZeros`)
-// const hundredThousandToOne = require(`./function/hundredThousandToOne`)
-
-const LeadingSpecialOneToOne = require(`./snippet/LeadingSpecialOneToOne`);
-
-const PrintBaht = require(`./function/PrintBaht`)
-
-// const SatangFirstDigit = require(`./function/SatangFirstDigit`)
-// const SatangSecondDigit = require(`./function/SatangSecondDigit`)
-const PrintSatangs = require(`./function/PrintSatangs`)
-const BahtText = require(`./function/BahtText`)
-
-const BT = require(`./function/BT`)
-const BF = require(`./function/BF`)
-
-// const IsMatchInSkipsPattern = require(`./function/IsMatchInSkipsPattern`)
-const BulkBahtText = require(`./function/BulkBahtText`);
-const NumText = require(`./function/NumText`)
-const SatangNum = require(`./function/SatangNum`)
-const IsValidText = require(`./function/IsValidText`)
-const TB = require(`./function/TB`)
-const IsValidTB = require(`./function/IsValidTB`)
-const NEG = require(`./function/NEG`)
-const ABT = require(`./function/ABT`)
-const repeat = require(`./function/repeat`)
-const LNBT = require(`./function/LNBT`)
-const OB = require(`./function/OB`)
-const SEP = require(`./function/SEP`)
-
-module.exports = {
-  VERSION,
-  MoneyLaundering,
-  removeLeadingingZeros,
-  IsMoneyValidate,
-  PrintBaht,
-  PrintSatangs,
-  BahtText,
-  BT,
-  BulkBahtText,
-  NumText,
-  SatangNum,
-  TB,
-  IsValidTB,
-  THAI2ARABICNumerals,
-  BF,
-  ABT,
-  large_numbers,
-  LNBT,
-  LeadingSpecialOneToOne,
-  OB,
-  IsValidText,
-  repeat,
-  SEP,
-  NEG,
-};
\ No newline at end of file
diff --git a/index.mjs b/index.mjs
new file mode 100644
index 0000000..58b1fbd
--- /dev/null
+++ b/index.mjs
@@ -0,0 +1,50 @@
+import VERSION from "./const/primitive/VERSION.mjs";
+import THAI2ARABICNumerals from "./const/array/THAI2ARABICNumerals.mjs";
+import large_numbers from "./const/array/large_numbers.mjs";
+import removeLeadingZeros from "./snippet/removeLeadingZeros.mjs";
+import MoneyLaundering from "./function/MoneyLaundering.mjs";
+import IsMoneyValidate from "./function/IsMoneyValidate.mjs";
+import LeadingSpecialOneToOne from "./snippet/LeadingSpecialOneToOne.mjs"
+import PrintBaht from "./function/PrintBaht.mjs";
+import PrintSatangs from "./function/PrintSatangs.mjs";
+import BahtText from "./function/BahtText.mjs";
+import BT from "./function/BT.mjs";
+import BF from "./function/BF.mjs";
+import BulkBahtText from "./function/BulkBahtText.mjs";
+import NumText from "./function/NumText.mjs";
+import SatangNum from "./function/SatangNum.mjs";
+import IsValidText from "./function/IsValidText.mjs";
+import TB from "./function/TB.mjs";
+import IsValidTB from "./function/IsValidTB.mjs";
+import NEG from "./function/NEG.mjs";
+import ABT from "./function/ABT.mjs";
+import repeat from "./function/repeat.mjs";
+import LNBT from "./function/LNBT.mjs";
+import OB from "./function/OB.mjs";
+import SEP from "./function/SEP.mjs";
+export default ABT
+export {
+  VERSION,
+  MoneyLaundering,
+  removeLeadingZeros,
+  IsMoneyValidate,
+  PrintBaht,
+  PrintSatangs,
+  BahtText,
+  BT,
+  BulkBahtText,
+  NumText,
+  SatangNum,
+  TB,
+  IsValidTB,
+  THAI2ARABICNumerals,
+  BF,
+  large_numbers,
+  LNBT,
+  LeadingSpecialOneToOne,
+  OB,
+  IsValidText,
+  repeat,
+  SEP,
+  NEG,
+};
\ No newline at end of file
diff --git a/octal.js b/octal.mjs
similarity index 75%
rename from octal.js
rename to octal.mjs
index 96c2831..2eda377 100644
--- a/octal.js
+++ b/octal.mjs
@@ -1,5 +1,8 @@
-const {octalRegex1, octalRegex2} = require('./const')
-const op = require(`operation-strint`)
+import op from "operation-strint"
+
+import octalRegex1 from './const/regex/octalRegex1.mjs';
+import octalRegex2 from './const/regex/octalRegex2.mjs';
+
 const isOctal = (money) => {
     if (typeof(money) !== `string`) return undefined;
     return octalRegex1.test(money) || octalRegex2.test(money);
@@ -18,7 +21,7 @@ const toDec = (num) => {
     return val
 }
 
-module.exports = {
+export {
   isOctal,
   toDec,
 };
\ No newline at end of file
diff --git a/octal.test.js b/octal.test.mjs
similarity index 91%
rename from octal.test.js
rename to octal.test.mjs
index 096c311..5729388 100644
--- a/octal.test.js
+++ b/octal.test.mjs
@@ -1,7 +1,4 @@
-const {
-    isOctal
-    , toDec
-} = require(`./octal`)
+import { isOctal,toDec } from "./octal.mjs";
 
 test(`isOctal`, () => {
   expect(isOctal(`077`)).toBe(true)
diff --git a/package.json b/package.json
index 1e87d30..535ac88 100644
--- a/package.json
+++ b/package.json
@@ -1,9 +1,16 @@
 {
   "name": "bahtrext",
-  "version": "1.4.5",
+  "version": "2.0.0",
+  "type": "module",
   "description": "BahtText Stringify",
-  "main": "index.js",
+  "main": "index.mjs",
+  "jest": {
+    "verbose": true,
+    "testMatch": ["**/*.test.mjs?(x)"],
+    "transform": {}
+  },
   "scripts": {
+    "start": "node app.js",
     "test": "jest",
     "cv": "jest --coverage"
   },
diff --git a/snippet/LeadingSpecialOneToOne.js b/snippet/LeadingSpecialOneToOne.js
deleted file mode 100644
index cdcddd4..0000000
--- a/snippet/LeadingSpecialOneToOne.js
+++ /dev/null
@@ -1,2 +0,0 @@
-const ONE = require(`../const/primitive/ONE`)
-module.exports = LeadingSpecialOneToOne = (money) => money.replace(/^เอ็ด(?=(ล้าน)+)/, ONE);
\ No newline at end of file
diff --git a/snippet/LeadingSpecialOneToOne.mjs b/snippet/LeadingSpecialOneToOne.mjs
new file mode 100644
index 0000000..f8ee9ce
--- /dev/null
+++ b/snippet/LeadingSpecialOneToOne.mjs
@@ -0,0 +1,3 @@
+import ONE from "../const/primitive/ONE.mjs"
+const LeadingSpecialOneToOne = (money) => money.replace(/^เอ็ด(?=(ล้าน)+)/, ONE);
+export default LeadingSpecialOneToOne
\ No newline at end of file
diff --git a/snippet/MoneyInvalid.js b/snippet/MoneyInvalid.mjs
similarity index 56%
rename from snippet/MoneyInvalid.js
rename to snippet/MoneyInvalid.mjs
index 310f4ed..fe6f705 100644
--- a/snippet/MoneyInvalid.js
+++ b/snippet/MoneyInvalid.mjs
@@ -1,2 +1,3 @@
-module.exports = MoneyInvalid = (money) =>
+const MoneyInvalid = (money) =>
   `Your Input is Invalid Format!\nThis is Your Input : ${money}\nTry Again`;
+export default MoneyInvalid;
\ No newline at end of file
diff --git a/snippet/padWithLeadingZeros.js b/snippet/padWithLeadingZeros.mjs
similarity index 58%
rename from snippet/padWithLeadingZeros.js
rename to snippet/padWithLeadingZeros.mjs
index fe82bb9..ed32268 100644
--- a/snippet/padWithLeadingZeros.js
+++ b/snippet/padWithLeadingZeros.mjs
@@ -1,4 +1,5 @@
-module.exports = padWithLeadingZeros = (num, totalLength) => {
+const padWithLeadingZeros = (num, totalLength) => {
   // https://bobbyhadz.com/blog/javascript-add-leading-zeros-to-number
   return String(num).padStart(totalLength, "0");
 };
+export default padWithLeadingZeros;
\ No newline at end of file
diff --git a/snippet/removeLeadingZeros.mjs b/snippet/removeLeadingZeros.mjs
new file mode 100644
index 0000000..fff7166
--- /dev/null
+++ b/snippet/removeLeadingZeros.mjs
@@ -0,0 +1,2 @@
+const removeLeadingZeros = (string) => string.replace(/^0+/g, "");
+export default removeLeadingZeros;
\ No newline at end of file
diff --git a/snippet/removeLeadingingZeros.js b/snippet/removeLeadingingZeros.js
deleted file mode 100644
index b8b0565..0000000
--- a/snippet/removeLeadingingZeros.js
+++ /dev/null
@@ -1 +0,0 @@
-module.exports = removeLeadingingZeros = (string) => string.replace(/^0+/g, "");
\ No newline at end of file