diff --git a/CHANGELOG.md b/CHANGELOG.md
index 959d16d..cb64d5e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -13,6 +13,9 @@ to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 ### Fixed
 - markdown preview in search (Issue [#74](https://github.com/out-of-cheese-error/gooseberry/issues/74))
 
+### Added
+- handlebars_misc_helpers (Issue [#81](https://github.com/out-of-cheese-error/gooseberry/issues/66))
+
 ## [0.8.0] - 2021-03-14
 ### Fixed
 * All w3 selectors (partially) supported (Issue [#66](https://github.com/out-of-cheese-error/gooseberry/issues/66))
diff --git a/Cargo.lock b/Cargo.lock
index 6b57a1e..f8cef6f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1,5 +1,17 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "Inflector"
+version = "0.11.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fe438c63458706e03479442743baae6c88256498e6431708f6dfc520a26515d3"
+dependencies = [
+ "lazy_static",
+ "regex",
+]
+
 [[package]]
 name = "addr2line"
 version = "0.14.1"
@@ -77,6 +89,20 @@ dependencies = [
  "wait-timeout",
 ]
 
+[[package]]
+name = "attohttpc"
+version = "0.15.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fe174d1b67f7b2bafed829c09db039301eb5841f66e43be2cf60b326e7f8e2cc"
+dependencies = [
+ "flate2",
+ "http",
+ "log",
+ "native-tls",
+ "openssl",
+ "url",
+]
+
 [[package]]
 name = "atty"
 version = "0.2.14"
@@ -400,6 +426,22 @@ dependencies = [
  "memchr",
 ]
 
+[[package]]
+name = "core-foundation"
+version = "0.9.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0a89e2ae426ea83155dccf10c0fa6b1463ef6d5fcb44cee0b224a408fa640a62"
+dependencies = [
+ "core-foundation-sys",
+ "libc",
+]
+
+[[package]]
+name = "core-foundation-sys"
+version = "0.8.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ea221b5284a47e40033bf9b66f35f984ec0ea2931eb03505246cd27a963f981b"
+
 [[package]]
 name = "crc32fast"
 version = "1.2.1"
@@ -757,6 +799,12 @@ dependencies = [
  "cfg-if 1.0.0",
 ]
 
+[[package]]
+name = "enquote"
+version = "1.0.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2ec878a5d2f3b6e9eaee72373dd23414cfc7d353104741471bec712ef241a66e"
+
 [[package]]
 name = "env_logger"
 version = "0.8.3"
@@ -832,6 +880,21 @@ version = "1.0.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1"
 
+[[package]]
+name = "foreign-types"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f6f339eb8adc052cd2ca78910fda869aefa38d22d5cb648e6485e4d3fc06f3b1"
+dependencies = [
+ "foreign-types-shared",
+]
+
+[[package]]
+name = "foreign-types-shared"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "00b0228411908ca8685dba7fc2cdd70ec9990a6e753e89b6ac91a84c40fbaf4b"
+
 [[package]]
 name = "form_urlencoded"
 version = "1.0.1"
@@ -962,6 +1025,12 @@ dependencies = [
  "byteorder",
 ]
 
+[[package]]
+name = "gcc"
+version = "0.3.55"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8f5f3913fa0bfe7ee1fd8248b6b9f42a5af4b9d65ec2dd2c3c26132b950ecfc2"
+
 [[package]]
 name = "generic-array"
 version = "0.12.4"
@@ -1029,6 +1098,7 @@ dependencies = [
  "eyre",
  "futures",
  "handlebars",
+ "handlebars_misc_helpers",
  "hypothesis",
  "indicatif",
  "predicates",
@@ -1078,6 +1148,26 @@ dependencies = [
  "serde_json",
 ]
 
+[[package]]
+name = "handlebars_misc_helpers"
+version = "0.11.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ffabb036ccea7ad1a3240f304d2e1b7827f3006d380aa4590edb1111b41d5c00"
+dependencies = [
+ "Inflector",
+ "attohttpc",
+ "enquote",
+ "handlebars",
+ "jsonnet-rs",
+ "lazy_static",
+ "log",
+ "serde",
+ "serde_json",
+ "serde_yaml",
+ "thiserror",
+ "toml",
+]
+
 [[package]]
 name = "hashbrown"
 version = "0.9.1"
@@ -1273,6 +1363,26 @@ dependencies = [
  "wasm-bindgen",
 ]
 
+[[package]]
+name = "jsonnet-rs"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dea3859e42541d9ecee82613c105234d2af74e1794c255af2d155d1e7ad57558"
+dependencies = [
+ "jsonnet-sys",
+ "libc",
+]
+
+[[package]]
+name = "jsonnet-sys"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2948bf138e186428476eaea072b4b07ef3cd8e6bcaeab941a65ec783a927e6ef"
+dependencies = [
+ "gcc",
+ "libc",
+]
+
 [[package]]
 name = "lazy_static"
 version = "1.4.0"
@@ -1395,6 +1505,24 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "native-tls"
+version = "0.2.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b8d96b2e1c8da3957d58100b09f102c6d9cfdfced01b7ec5a8974044bb09dbd4"
+dependencies = [
+ "lazy_static",
+ "libc",
+ "log",
+ "openssl",
+ "openssl-probe",
+ "openssl-sys",
+ "schannel",
+ "security-framework",
+ "security-framework-sys",
+ "tempfile",
+]
+
 [[package]]
 name = "nix"
 version = "0.14.1"
@@ -1488,6 +1616,39 @@ version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2839e79665f131bdb5782e51f2c6c9599c133c6098982a54c794358bf432529c"
 
+[[package]]
+name = "openssl"
+version = "0.10.33"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a61075b62a23fef5a29815de7536d940aa35ce96d18ce0cc5076272db678a577"
+dependencies = [
+ "bitflags",
+ "cfg-if 1.0.0",
+ "foreign-types",
+ "libc",
+ "once_cell",
+ "openssl-sys",
+]
+
+[[package]]
+name = "openssl-probe"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "77af24da69f9d9341038eba93a073b1fdaaa1b788221b00a69bce9e762cb32de"
+
+[[package]]
+name = "openssl-sys"
+version = "0.9.61"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "313752393519e876837e09e1fa183ddef0be7735868dced3196f4472d536277f"
+dependencies = [
+ "autocfg",
+ "cc",
+ "libc",
+ "pkg-config",
+ "vcpkg",
+]
+
 [[package]]
 name = "owo-colors"
 version = "1.3.0"
@@ -1609,6 +1770,12 @@ version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184"
 
+[[package]]
+name = "pkg-config"
+version = "0.3.19"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3831453b3449ceb48b6d9c7ad7c96d5ea673e9b470a1dc578c2ce6521230884c"
+
 [[package]]
 name = "plist"
 version = "1.1.0"
@@ -1982,6 +2149,16 @@ version = "0.1.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "088c5d71572124929ea7549a8ce98e1a6fd33d0a38367b09027b382e67c033db"
 
+[[package]]
+name = "schannel"
+version = "0.1.19"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8f05ba609c234e60bee0d547fe94a4c7e9da733d1c962cf6e59efa4cd9c8bc75"
+dependencies = [
+ "lazy_static",
+ "winapi",
+]
+
 [[package]]
 name = "scopeguard"
 version = "1.1.0"
@@ -1998,6 +2175,29 @@ dependencies = [
  "untrusted",
 ]
 
+[[package]]
+name = "security-framework"
+version = "2.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3670b1d2fdf6084d192bc71ead7aabe6c06aa2ea3fbd9cc3ac111fa5c2b1bd84"
+dependencies = [
+ "bitflags",
+ "core-foundation",
+ "core-foundation-sys",
+ "libc",
+ "security-framework-sys",
+]
+
+[[package]]
+name = "security-framework-sys"
+version = "2.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3676258fd3cfe2c9a0ec99ce3038798d847ce3e4bb17746373eb9f0f1ac16339"
+dependencies = [
+ "core-foundation-sys",
+ "libc",
+]
+
 [[package]]
 name = "semver"
 version = "0.9.0"
@@ -2557,6 +2757,7 @@ version = "0.5.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a31142970826733df8241ef35dc040ef98c679ab14d7c3e54d827099b3acecaa"
 dependencies = [
+ "indexmap",
  "serde",
 ]
 
@@ -2723,6 +2924,12 @@ version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "936e4b492acfd135421d8dca4b1aa80a7bfc26e702ef3af710e0752684df5372"
 
+[[package]]
+name = "vcpkg"
+version = "0.2.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b00bca6106a5e23f3eee943593759b7fcddb00554332e856d990c893966879fb"
+
 [[package]]
 name = "vec_map"
 version = "0.8.2"
diff --git a/Cargo.toml b/Cargo.toml
index ed78eb4..2d25c85 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -59,6 +59,7 @@ handlebars = "3.5.4"
 
 # Sanitizing filenames
 sanitize-filename = "0.3.0"
+handlebars_misc_helpers = "0.11.2"
 
 [dev-dependencies]
 assert_cmd = "1.0.3"
diff --git a/src/gooseberry/knowledge_base.rs b/src/gooseberry/knowledge_base.rs
index 3a3d79f..846a65c 100644
--- a/src/gooseberry/knowledge_base.rs
+++ b/src/gooseberry/knowledge_base.rs
@@ -107,6 +107,7 @@ impl<'a> Default for Templates<'a> {
 
 pub(crate) fn get_handlebars(templates: Templates) -> color_eyre::Result<Handlebars> {
     let mut hbs = Handlebars::new();
+    handlebars_misc_helpers::register(&mut hbs);
     hbs.register_escape_fn(handlebars::no_escape);
     hbs.register_helper("date_format", Box::new(date_format));
     hbs.register_template_string("annotation", templates.annotation_template)?;