Code in the browser
Write and run JavaScript, TypeScript, and Python directly in your browser.
An AI Coding Playground where you can write code, run projects, debug errors, ask AI to fix your code, and share what you build — right in your browser.
No environment setup required. Open your browser, write code, and start building.
Write and run JavaScript, TypeScript, and Python directly in your browser.
Ask AI to write code, fix bugs, refactor, generate functions, or build projects.
Paste an error and let AI explain what went wrong, why it happened, and how to fix it.
Share a project with a link and fork projects from other developers.
Rebase shortens the gap between "I have an idea" and "it works".
Choose JavaScript, TypeScript, or Python and start from a clean playground.
"Build me a REST API", "why is this broken?" hoặc đơn giản là "explain this code".
Run your code directly in the playground, inspect the output, and debug in place.
Save your project, share it with a link, or fork a project and keep building.
Explore public projects, fork them, and make them your own.
A tiny markdown editor built entirely inside rebase.fun.
Simple Python AI experiment anyone can fork and modify.
Explore APIs, inspect responses and experiment with requests.
CODE · ASK AI · DEBUG · FORK · REBASE · SHIP
No setup. No configuration. No context switching. Just open the playground and start building.
Start coding →