Free & Open Source

Your toolkit forthe modern web

Developer and creator tools that run in your browser. No signups. No uploads. Free forever.

JSON Tools

The complete JSON toolkit

Format, validate, compare, and convert JSON. AI-powered repair. Mock APIs. All in your browser.

Create songs from text

Generate original songs with AI-written lyrics. Choose any genre, get synced lyrics, and share your tracks.

Diagrams as code

Mermaid editor with live preview, 4 themes, and unlimited PNG/SVG exports. 100% client-side.

Connect AI to tools

MCP config generator, AI developer utilities, and tools for building with large language models. All free and browser-based.

Video & image utilities

Convert, compress, and transform video and image files locally in your browser. Privacy-first. Your files never leave your device.

100% Browser-based

No Signup Required

Open Source