CodeRunner - 3.1 (21730) - Easy way to write and run code.

Download Mac CodeRunner 3.1 (21730) Full Version – FREE!

Simplify your software development with the lightning-fast code editor. Write, run, and debug quickly from a single app with out-of-the-box support for more than 25 languages. Fine-tune your work using 230 syntax highlighters, essential IDE features, documentation sidebar, customizable preferences, and dark/light mode. CodeRunner is a fully fledged alternative to any text editor, with developers praising its clean interface and sweet-spot of features.

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  • Build smarter
    Get your code to working condition faster than ever. CodeRunner takes code completion, auto-indenting, and bracket management to the next level. Its smart autofill feature not only completes the string but also offers placeholders to write the entire function. Quickly switch between tabs, drag them to order, or hide them when not needed.
  • Beautify your code
    Take noise out of the equation with over 230 syntax highlighters — all updated to the latest language specifications with customizable colors. Select a word or symbol, and then one hotkey later you’re able to view and edit local color scopes. See your current line highlighted and even customize the spacing. Switch between dark and light modes, or select a custom view theme to tie your preferred look together.
  • Tweak every preference
    Configure CodeRunner to work exactly how you want. Don’t like auto-closing of brackets, indenting of new lines, or syntax highlighting? Simply toggle them off in the preference editor. Is auto-complete getting in the way of your custom functions? Switch it off temporarily while you work. You can even turn off auto-save if you’re just experimenting. Make CodeRunner work for you.
  • Debug like a dream
    Produce quality code without compromise by leveraging useful debugging tools. Use the built-in web inspector to debug quickly or inject your JavaScript and CSS with simple run modes. Switch your PHP output between terminal and web mode for easy comparison. Set a breakpoint, explore the call stack, view and edit variables, and step through the code in a snap.
  • Search docs swiftly
    Browse the online documentation for any programming language without leaving the app. CodeRunner’s new information sidebar lets you look up functions, methods, classes, and other symbols instantly. You can even add your own documentation to the lookup source, so that you spend less time switching apps and more time writing beautiful code.
  • Use any language
    CodeRunner speaks your language, so you can drop into your workflow without a hitch. Select from more than 25 supported languages, including AppleScript, C, C++, C#, Go, Haskell, HTML/CSS, Java, JavaScript, Kotlin, LaTeX, Lua, Markdown, Node.js, Objective-C/C++, Perl, PHP, Python, Ruby, Rust, Shell Script, Swift, and TypeScript. You can even add your own languages with a simple terminal command.

Compatibility: OS X 10.7 or later, 64-bit processor


  • CAN NOT DOWNLOAD: Some probably encounter the following error: This site can’t be reached’s server IP address could not be found. DNS_PROBE_FINISHED_NXDOMAIN. In this case, please use Google DNS and you will get rid of trouble.
  • If downloaded file can not be extracted (file corrupted...), please make sure you have downloaded the file completely and don't use Winzip, it sucks! We would recommend using The Unarchiver.
  • By reason, the App does not work and can not be opened. Mostly, just Disable the Gatekeeper, and you get rid of troubles.