Online Hack Compiler
Write Hack in the browser and run it on our machines. The editor is opening.
Free online Hack compiler and editor
JDoodle is an online IDE that has served the programming community since 2013. You write, compile, and run code in the browser for Hack and many other languages, without installing a toolchain.
What you see on this page is JDoodle’s free Hack compiler. Write Hack in the editor, press Execute, and JDoodle runs it on its servers. You do not install Hack, and you do not need a JDoodle account to run code.
Online Hack editor
JDoodle’s Hack editor on this page highlights syntax, completes as you type, matches brackets, and folds blocks. It is an online Hack editor and a compiler together: you write here, then Execute runs your program on JDoodle’s servers.
Hack versions on JDoodle
JDoodle runs Hack HipHop VM 3.13.0.
Frequently asked questions
Is JDoodle’s online Hack compiler free?
Yes. JDoodle lets you write and run Hack without paying. A JDoodle account is only needed to save projects, use more AI credits, or unlock faster workspaces.
Do I need to install Hack to use JDoodle?
No. JDoodle runs Hack on its servers. Open this page in a browser and execute.
Is this an online Hack editor or a compiler?
Both. The page is an online Hack editor and it compiles and runs what you write.
Input, interactive runs, files, and the rest of the editor work the same on every language. See the JDoodle IDE documentation.