Kotlin Playground

Write, run, and experiment with Kotlin directly in your browser

🚀No Installation⚡JetBrains Powered⌨️Ctrl+Enter to Run

Try an Example

Why Kotlin in the Browser?

JetBrains Backend

Real Kotlin compiler via JetBrains API. The same engine behind IntelliJ IDEA.

Instant Execution

Press Ctrl+Enter to run. See results in milliseconds.

Safe & Sandboxed

Code runs in a secure JetBrains sandbox. Your data stays private.

Learn by Doing

Pick from curated examples or write your own Kotlin code from scratch.