| Type | Extension | Lexer |
|---|---|---|
| Plain Text | .txt | _text |
| Markdown | .markdown, .md | _markdown |
| reStructuredText | .rst | rst |
| Plain Code | _code | |
| AppleScript | .scpt, .scptd, .applescript | applescript |
| Arduino | arduino | |
| Bash | .sh | bash |
| Batchfile | .bat, .cmd, .btm | bat |
| C | .c | c |
| Clojure | .clj, .cljs, .cljc, .edn | clojure |
| CMake | .cmake | cmake |
| CoffeeScript | .coffee, .litcoffee | coffee-script |
| Common Lisp | .lisp, .lsp, .l, .cl, .fasl | common-lisp |
| Console/Bash Session | console | |
| C++ | .cpp, .cc, .h, .hpp | cpp |
| C# | .cs, .csx | csharp |
| CSS | .css | css |
| CUDA | .cu | cuda |
| Dart | .dart | dart |
| Delphi | delphi | |
| Diff | diff | |
| Django/Jinja | django | |
| Docker | docker | |
| Elixir | .ex, .exs | elixir |
| Erlang | .erl, .hrl | erlang |
| Go | .go | go |
| Handlebars | handlebars | |
| Haskell | .hs, .lhs | haskell |
| HTML | .html | html |
| HTML + Django/Jinja | html+django | |
| INI | .ini | ini |
| IPython console session | ipythonconsole | |
| IRC logs | irc | |
| Java | .java | java |
| JavaScript | .js | js |
| JSON | .json | json |
| JSX/React | jsx | |
| Kotlin | .kt, .kts, .ktm | kotlin |
| LessCSS | less | |
| Lua | .lua | lua |
| Makefile | make | |
| Matlab | .p, .mat, .mex, .fig, .mlx, .mlapp, .mltbx | matlab |
| Nginx configuration file | nginx | |
| NumPy | .npy | numpy |
| Objective-C | .m, .mm, .M | objective-c |
| Perl | .plx, .pl, .pm, .xs, .t, .pod, .cgi | perl |
| PHP | .php | php |
| PostgreSQL SQL dialect | postgresql | |
| Python | .py | python |
| Ruby | .rb | rb |
| Rust | .rs | rust |
| Sass | .sass | sass |
| SCSS | .scss | scss |
| Solidity | .sol | sol |
| SQL | .sql | sql |
| Swift | .swift | swift |
| TeX | .tex | tex |
| TypoScript | .ts, .tsx | typoscript |
| VimL | .vim | vim |
| XML | .xml | xml |
| XSLT | .xsl, .xslt | xslt |
| YAML | .yaml | yaml |