Instant zero-latency collaborative code editor with live HTML preview, synchronized code racing, and 13+ arcade games. 100% private & free — no setup required.
Peer-to-peer live editing powered by Yjs & WebRTC. Type simultaneously with zero latency and live collaborator presence.
Instant HTML, CSS, and JS execution. Write code and see the live interactive web view update in real time.
Challenge friends in real-time speed coding and debugging competitions. Synchronized timers and live race leaderboards.
Take a break with responsive retro arcade games: Snake, Pong AI, Breakout, 2048, Ludo, Minesweeper, and Speed Typing.