More than 220 languages and text formats are supported:
Markup - markup
, html
, xml
, svg
, mathml
, ssml
, atom
, rss
CSS - css
C-like - clike
JavaScript - javascript
, js
ABAP - abap
ABNF - abnf
ActionScript - actionscript
Ada - ada
Agda - agda
AL - al
ANTLR4 - antlr4
, g4
Apache Configuration - apacheconf
APL - apl
AppleScript - applescript
AQL - aql
Arduino - arduino
ARFF - arff
AsciiDoc - asciidoc
, adoc
ASP.NET (C#) - aspnet
6502 Assembly - asm6502
AutoHotkey - autohotkey
AutoIt - autoit
Bash - bash
, shell
BASIC - basic
Batch - batch
BBcode - bbcode
, shortcode
Bison - bison
BNF - bnf
, rbnf
Brainfuck - brainfuck
BrightScript - brightscript
Bro - bro
C - c
C# - csharp
, cs
, dotnet
C++ - cpp
CIL - cil
Clojure - clojure
CMake - cmake
CoffeeScript - coffeescript
, coffee
Concurnas - concurnas
, conc
Content-Security-Policy - csp
Crystal - crystal
CSS Extras - css-extras
Cypher - cypher
D - d
Dart - dart
DAX - dax
Dhall - dhall
Diff - diff
Django/Jinja2 - django
, jinja2
DNS zone file - dns-zone-file
, dns-zone
Docker - docker
, dockerfile
EBNF - ebnf
EditorConfig - editorconfig
Eiffel - eiffel
EJS - ejs
, eta
Elixir - elixir
Elm - elm
Embedded Lua templating - etlua
ERB - erb
Erlang - erlang
Excel Formula - excel-formula
, xlsx
, xls
F# - fsharp
Factor - factor
Firestore security rules - firestore-security-rules
Flow - flow
Fortran - fortran
FreeMarker Template Language - ftl
GameMaker Language - gml
, gamemakerlanguage
G-code - gcode
GDScript - gdscript
GEDCOM - gedcom
Gherkin - gherkin
Git - git
GLSL - glsl
Go - go
GraphQL - graphql
Groovy - groovy
Haml - haml
Handlebars - handlebars
Haskell - haskell
, hs
Haxe - haxe
HCL - hcl
HLSL - hlsl
HTTP - http
HTTP Public-Key-Pins - hpkp
HTTP Strict-Transport-Security - hsts
IchigoJam - ichigojam
Icon - icon
.ignore - ignore
, gitignore
, hgignore
, npmignore
Inform 7 - inform7
Ini - ini
Io - io
J - j
Java - java
JavaDoc - javadoc
JavaDoc-like - javadoclike
Java stack trace - javastacktrace
Jolie - jolie
JQ - jq
JSDoc - jsdoc
JS Extras - js-extras
JSON - json
, webmanifest
JSON5 - json5
JSONP - jsonp
JS stack trace - jsstacktrace
JS Templates - js-templates
Julia - julia
Keyman - keyman
Kotlin - kotlin
, kt
, kts
LaTeX - latex
, tex
, context
Latte - latte
Less - less
LilyPond - lilypond
, ly
Liquid - liquid
Lisp - lisp
, emacs
, elisp
, emacs-lisp
LiveScript - livescript
LLVM IR - llvm
LOLCODE - lolcode
Lua - lua
Makefile - makefile
Markdown - markdown
, md
Markup templating - markup-templating
MATLAB - matlab
MEL - mel
Mizar - mizar
Monkey - monkey
MoonScript - moonscript
, moon
N1QL - n1ql
N4JS - n4js
, n4jsd
Nand To Tetris HDL - nand2tetris-hdl
NASM - nasm
NEON - neon
nginx - nginx
Nim - nim
Nix - nix
NSIS - nsis
Objective-C - objectivec
, objc
OCaml - ocaml
OpenCL - opencl
Oz - oz
PARI/GP - parigp
Parser - parser
Pascal - pascal
, objectpascal
Pascaligo - pascaligo
PC-Axis - pcaxis
, px
PeopleCode - peoplecode
, pcode
Perl - perl
PHP - php
PHPDoc - phpdoc
PHP Extras - php-extras
PL/SQL - plsql
PowerQuery - powerquery
, pq
, mscript
PowerShell - powershell
Processing - processing
Prolog - prolog
.properties - properties
Protocol Buffers - protobuf
Pug - pug
Puppet - puppet
Pure - pure
PureBasic - purebasic
, pbfasm
Python - python
, py
Q (kdb+ database) - q
QML - qml
Qore - qore
R - r
Racket - racket
, rkt
React JSX - jsx
React TSX - tsx
Reason - reason
Regex - regex
Ren'py - renpy
, rpy
reST (reStructuredText) - rest
Rip - rip
Roboconf - roboconf
Robot Framework - robotframework
, robot
Ruby - ruby
, rb
Rust - rust
SAS - sas
Sass (Sass) - sass
Sass (Scss) - scss
Scala - scala
Scheme - scheme
Shell session - shell-session
Smali - smali
Smalltalk - smalltalk
Smarty - smarty
Solidity (Ethereum) - solidity
, sol
Solution file - solution-file
, sln
Soy (Closure Template) - soy
SPARQL - sparql
, rq
Splunk SPL - splunk-spl
SQF: Status Quo Function (Arma 3) - sqf
SQL - sql
Structured Text (IEC 61131-3) - iecst
Stylus - stylus
Swift - swift
T4 templating - t4-templating
T4 Text Templates (C#) - t4-cs
, t4
T4 Text Templates (VB) - t4-vb
TAP - tap
Tcl - tcl
Template Toolkit 2 - tt2
Textile - textile
TOML - toml
Turtle - turtle
, trig
Twig - twig
TypeScript - typescript
, ts
UnrealScript - unrealscript
, uscript
, uc
Vala - vala
VB.Net - vbnet
Velocity - velocity
Verilog - verilog
VHDL - vhdl
vim - vim
Visual Basic - visual-basic
, vb
, vba
WarpScript - warpscript
WebAssembly - wasm
Wiki markup - wiki
Xeora - xeora
, xeoracube
XML doc (.net) - xml-doc
Xojo (REALbasic) - xojo
XQuery - xquery
YAML - yaml
, yml
YANG - yang
Zig - zig