diff --git a/API.md b/API.md
index 1f33d898..a2414c02 100644
--- a/API.md
+++ b/API.md
@@ -1070,14 +1070,17 @@ Object.isInstance({foo: 'bar'}); // true
     * _instance_
         * [.camelCase()](#String+camelCase) ⇒ <code>string</code>
         * [.capitalize([allWords])](#String+capitalize) ⇒ <code>string</code>
+        * [.chars()](#String+chars) ⇒ <code>Array.&lt;string&gt;</code>
         * [.contains(pattern)](#String+contains) ⇒ <code>Array.&lt;string&gt;</code>
         * [.decapitalize([allWords])](#String+decapitalize) ⇒ <code>string</code>
+        * [.humanize()](#String+humanize) ⇒ <code>string</code>
         * [.kebabCase()](#String+kebabCase) ⇒ <code>string</code>
         * [.lines()](#String+lines) ⇒ <code>Array.&lt;string&gt;</code>
         * [.mask([num], [mask])](#String+mask) ⇒ <code>string</code>
         * [.pluralize(value, [plural])](#String+pluralize) ⇒ <code>string</code>
         * [.reverse()](#String+reverse) ⇒ <code>string</code>
         * [.snakeCase()](#String+snakeCase) ⇒ <code>string</code>
+        * [.swapCase()](#String+swapCase) ⇒ <code>string</code>
         * [.truncate(num, [truncateString])](#String+truncate) ⇒ <code>string</code>
         * [.words(pattern)](#String+words) ⇒ <code>Array.&lt;string&gt;</code>
     * _static_
@@ -1112,6 +1115,16 @@ Returns the capitalized string
 'foo bar'.capitalize(); // 'Foo bar'
 'hello world'.capitalize(true); // 'Hello World'
 ```
+<a name="String+chars"></a>
+
+### string.chars() ⇒ <code>Array.&lt;string&gt;</code>
+Returns an array of the string's character
+
+**Kind**: instance method of [<code>String</code>](#String)  
+**Example**  
+```javascript
+'Hello'.chars(); // ['H', 'e', 'l', 'l', 'o']
+```
 <a name="String+contains"></a>
 
 ### string.contains(pattern) ⇒ <code>Array.&lt;string&gt;</code>
@@ -1144,6 +1157,16 @@ Returns the decapitalized string
 'Foo Bar'.decapitalize(); // 'foo Bar'
 'Hello World'.decapitalize(true); // 'hello world'
 ```
+<a name="String+humanize"></a>
+
+### string.humanize() ⇒ <code>string</code>
+Converts an underscored, camelized, or dasherized string into a humanized one. Also removes beginning and ending whitespace
+
+**Kind**: instance method of [<code>String</code>](#String)  
+**Example**  
+```javascript
+'  capitalize dash-CamelCase_underscore trim  '.humanize(); // 'Capitalize dash camel case underscore trim'
+```
 <a name="String+kebabCase"></a>
 
 ### string.kebabCase() ⇒ <code>string</code>
@@ -1229,6 +1252,16 @@ Converts a string to snake case
 'AllThe-small Things'.snakeCase(); // "all_the_small_things"
 'IAmListeningToFMWhileLoadingDifferentURLOnMyBrowserAndAlsoEditingSomeXMLAndHTML'.snakeCase(); // 'i_am_listening_to_fm_while_loading_different_url_on_my_browser_and_also_editing_some_xml_and_html'
 ```
+<a name="String+swapCase"></a>
+
+### string.swapCase() ⇒ <code>string</code>
+Returns a copy of the string in which all the case-based characters have had their case swapped
+
+**Kind**: instance method of [<code>String</code>](#String)  
+**Example**  
+```javascript
+'Hello'.swapCase(); // 'hELLO'
+```
 <a name="String+truncate"></a>
 
 ### string.truncate(num, [truncateString]) ⇒ <code>string</code>
@@ -1239,7 +1272,7 @@ Truncates a string up to a specified length
 | Param | Type | Default |
 | --- | --- | --- |
 | num | <code>number</code> |  | 
-| [truncateString] | <code>string</code> | <code>&quot;\&quot;...\&quot;&quot;</code> | 
+| [truncateString] | <code>string</code> | <code>&quot;...&quot;</code> | 
 
 **Example**  
 ```javascript
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2b547d4b..e256b747 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,10 +1,13 @@
 # Changelog
 
-## [next](https://github.com/ardalanamini/prototyped.js/releases/tag/next) *(2018-__-__)*
+## [v0.4.0](https://github.com/ardalanamini/prototyped.js/releases/tag/v0.4.0) *(2018-01-28)*
 **Implemented enhancements:**
 - more customizable usage
 - `String.prototype`
 	- function `truncate` parameter `truncateString` added
+	- function `chars` added
+	- function `swapCase` added
+	- function `humanize` added
 
 
 ## [v0.3.2](https://github.com/ardalanamini/prototyped.js/releases/tag/v0.3.2) *(2018-01-25)*
diff --git a/README.md b/README.md
index d0286249..d1199040 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 <div align="center">
 	<h1>Prototyped.JS</h1>
-	<p>Common <b>Typescript ready</b> prototypes available in both <b>ES6</b> and <b>ES5</b></p>
+	<p>Common <b>Typescript ready</b> prototypes available in <b>ES5</b> and <b>ES6</b>, <b>Server-Side</b> and <b>Client-Side</b></p>
 	<a href="https://www.npmjs.com/package/prototyped.js" target="_blank">
 	   <img src="https://img.shields.io/npm/v/prototyped.js.svg" alt="npm version">
 	</a>
@@ -16,9 +16,12 @@
 	<a href="https://github.com/ardalanamini/prototyped.js/blob/master/LICENSE" target="_blank">
 	   <img src="https://img.shields.io/github/license/ardalanamini/prototyped.js.svg" alt="tested with jest">
 	</a>
+	<br>
 </div>
 
-[TOC]
+- - -
+
+> if you have a method you think needs to be a part of this package, feel free to contribute
 
 ## Installation
 
diff --git a/lib/string/chars/index.ts b/lib/string/chars/index.ts
new file mode 100644
index 00000000..e63edabc
--- /dev/null
+++ b/lib/string/chars/index.ts
@@ -0,0 +1,18 @@
+export { }
+
+declare global {
+  interface String {
+    chars(): Array<string>
+  }
+}
+
+/**
+ * Returns an array of the string's character
+ * @memberof String
+ * @returns {string[]}
+ * @example
+ * 'Hello'.chars(); // ['H', 'e', 'l', 'l', 'o']
+ */
+String.prototype.chars = function(): Array<string> {
+  return this.split('')
+}
diff --git a/lib/string/chars/test.js b/lib/string/chars/test.js
new file mode 100644
index 00000000..987dfe8a
--- /dev/null
+++ b/lib/string/chars/test.js
@@ -0,0 +1,8 @@
+require('../../../es6/string/chars')
+
+describe("String.prototype.chars", () => {
+  test("'Hello'.chars() returns ['H', 'e', 'l', 'l', 'o']", () => {
+    expect('Hello'.chars())
+      .toEqual(['H', 'e', 'l', 'l', 'o'])
+  })
+})
diff --git a/lib/string/humanize/index.ts b/lib/string/humanize/index.ts
new file mode 100644
index 00000000..2b491496
--- /dev/null
+++ b/lib/string/humanize/index.ts
@@ -0,0 +1,20 @@
+export { }
+
+declare global {
+  interface String {
+    humanize(): string
+  }
+}
+
+/**
+ * Converts an underscored, camelized, or dasherized string into a humanized one. Also removes beginning and ending whitespace
+ * @memberof String
+ * @returns {string}
+ * @example
+ * '  capitalize dash-CamelCase_underscore trim  '.humanize(); // 'Capitalize dash camel case underscore trim'
+ */
+String.prototype.humanize = function(): string {
+  let s = this.match(/[A-Z]{2,}(?=[A-Z][a-z]+[0-9]*|\b)|[A-Z]?[a-z]+[0-9]*|[A-Z]|[0-9]+/g) || ['']
+
+  return s.map(x => x.toLowerCase()).join(' ').replace(/^[a-z]/, (char) => char.toUpperCase())
+}
diff --git a/lib/string/humanize/test.js b/lib/string/humanize/test.js
new file mode 100644
index 00000000..617b0a44
--- /dev/null
+++ b/lib/string/humanize/test.js
@@ -0,0 +1,8 @@
+require('../../../es6/string/humanize')
+
+describe("String.prototype.humanize", () => {
+  test("'  capitalize dash-CamelCase_underscore trim  '.humanize() returns 'Capitalize dash camel case underscore trim'", () => {
+    expect('  capitalize dash-CamelCase_underscore trim  '.humanize())
+      .toBe('Capitalize dash camel case underscore trim')
+  })
+})
diff --git a/lib/string/index.ts b/lib/string/index.ts
index 13fd42ef..d7466245 100644
--- a/lib/string/index.ts
+++ b/lib/string/index.ts
@@ -2,8 +2,10 @@
 
 import './camelCase'
 import './capitalize'
+import './chars'
 import './contains'
 import './decapitalize'
+import './humanize'
 import './isInstance'
 import './kebabCase'
 import './lines'
@@ -11,5 +13,6 @@ import './mask'
 import './pluralize'
 import './reverse'
 import './snakeCase'
+import './swapCase'
 import './truncate'
 import './words'
diff --git a/lib/string/swapCase/index.ts b/lib/string/swapCase/index.ts
new file mode 100644
index 00000000..2f903ac4
--- /dev/null
+++ b/lib/string/swapCase/index.ts
@@ -0,0 +1,18 @@
+export { }
+
+declare global {
+  interface String {
+    swapCase(): string
+  }
+}
+
+/**
+ * Returns a copy of the string in which all the case-based characters have had their case swapped
+ * @memberof String
+ * @returns {string}
+ * @example
+ * 'Hello'.swapCase(); // 'hELLO'
+ */
+String.prototype.swapCase = function(): string {
+  return this.replace(/\S/g, (c) => c === c.toUpperCase() ? c.toLowerCase() : c.toUpperCase())
+}
diff --git a/lib/string/swapCase/test.js b/lib/string/swapCase/test.js
new file mode 100644
index 00000000..6e917c71
--- /dev/null
+++ b/lib/string/swapCase/test.js
@@ -0,0 +1,8 @@
+require('../../../es6/string/swapCase')
+
+describe("String.prototype.swapCase", () => {
+  test("'Hello'.swapCase() returns 'hELLO'", () => {
+    expect('Hello'.swapCase())
+      .toBe('hELLO')
+  })
+})
diff --git a/lib/string/truncate/index.ts b/lib/string/truncate/index.ts
index 2e620bcb..d1b5d3cb 100644
--- a/lib/string/truncate/index.ts
+++ b/lib/string/truncate/index.ts
@@ -10,7 +10,7 @@ declare global {
  * Truncates a string up to a specified length
  * @memberof String
  * @param {number} num
- * @param {string} [truncateString="..."]
+ * @param {string} [truncateString=...]
  * @returns {string}
  * @example
  * 'boomerang'.truncate(7); // 'boom...'
diff --git a/package.json b/package.json
index 252b7b79..a162ff24 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "prototyped.js",
-  "version": "0.3.2",
-  "description": "Common typescript ready prototypes available in both es6 and es5",
+  "version": "0.4.0",
+  "description": "Common typescript ready prototypes available in both es5 and es6",
   "author": "Ardalan Amini <ardalanamini22@gmail.com>",
   "license": "MIT",
   "homepage": "https://github.com/ardalanamini/prototyped.js#readme",
@@ -66,6 +66,9 @@
     "defer",
     "cache",
     "string",
+    "chars",
+    "humanize",
+    "swapCase",
     "capitalize",
     "decapitalize",
     "mask",