Live terminal · Sandboxed execution

Code Editor

Write, run and experiment in 12 languages — no setup, no signup. Pick a language and hitCtrlEnter.

main.py
idle
stdin · program input
Output
Press Run (or Ctrl+Enter) to execute.

12 languages

Python, TypeScript, Java, C, C++, C#, F#, Go, Rust, PHP, Ruby and Haskell.

Sandboxed

Every run executes in an isolated container with no network access.

Real-time

Results stream back over WebSocket the moment execution finishes.

Ctrl + Enter

Run without touching the mouse. Tab indents like a real editor.