The app provides two app extensions: Code Previewer and Code Thumbnailer, which can be viewed and managed in macOS’ System Preferences > Extensions. The app itself is a container for these extensions.

You must run the app first to gain these benefits.

PreviewCode supports the following languages features:

• ActionScript

• Ada

• AppleScript

• Arduino

• Basic

• Brainfuck

• C

• C++

• C#

• Clojure

• CoffeeScript

• Dart

• Elixir

• Erlang

• Fortran

• F#

• Go

• Haskell

• Java

• javascript

• Julia

• Kotlin

• Lisp

• Lua

• Objective-C

• Pascal

• Perl

• PHP

• Python

• Ruby

• Rust

• Swift

• TypeScript

• Visual Basic Script

Shell Scripting

• Bash

• C Shell

• Korn Shell

• TCSH

• Z Shell

Assembly

• ARM Assembler

• x86-64 Assembler

Others

• CSS

• LaTex

• Protobuf

• SASS/SCSS

• SQL script

• Twig

• Terraform source and vars files

• .cmake files

• .env files

• Config files

• Asciidoc

Supported Operation System:

• macOS 10.15 or later

• Apple Silicon or Intel Core processor

Mac App Store: http://apps.apple.com/app/previewcode/id1571797683