Renderer-only Playground

Paste code. Render immediately.

Edit React-compatible JSX/TSX or a declarative RuntimePlan. Rendering happens entirely in your browser; this page has no model provider, prompt endpoint, or LLM request.

App.jsx4,674 bytes
Starting sandbox…
Starting isolated renderer…
Renderer-only and isolated

No prompt or code is sent to an LLM. Source runs in a sandboxed, opaque-origin iframe and can load reviewed browser ESM dependencies.

Diagnostics

Run the editor to inspect timing and runtime diagnostics.