Online APL Compiler
Write APL in the browser and run it on our machines. The editor is opening.
Free online APL 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 APL and many other languages, without installing a toolchain.
What you see on this page is JDoodle’s free APL compiler. Write APL in the editor, press Execute, and JDoodle runs it on its servers. You do not install APL, and you do not need a JDoodle account to run code.
Online APL editor
JDoodle’s APL editor on this page highlights syntax, completes as you type, matches brackets, and folds blocks. It is an online APL editor and a compiler together: you write here, then Execute runs your program on JDoodle’s servers.
APL versions on JDoodle
JDoodle currently ships these APL builds. Choose one from the version menu before you execute. The installed releases are JDK 8 (1.8), and 1.9.
| JDoodle version | Installed release |
|---|---|
| JDK 8 | 1.8 |
| 1.9 | 1.9 |
Frequently asked questions
Is JDoodle’s online APL compiler free?
Yes. JDoodle lets you write and run APL without paying. A JDoodle account is only needed to save projects, use more AI credits, or unlock faster workspaces.
Do I need to install APL to use JDoodle?
No. JDoodle runs APL on its servers. Open this page in a browser and execute.
Which APL version should I pick on JDoodle?
Choose the version that matches the course or codebase you are working against from the version menu. The builds JDoodle has installed are JDK 8 (1.8), and 1.9.
Is this an online APL editor or a compiler?
Both. The page is an online APL 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.