Tooscut

A professional-grade NLE video editor that runs entirely in your browser, powered by WebGPU and Rust/WASM.

Features

• GPU-Accelerated Rendering — WebGPU compositing via Rust/WASM for near-native performance
• Multi-Track Timeline — Canvas-rendered timeline with unlimited video and audio tracks
• Keyframe Animation — Animate any property with bezier easing curves
• Real-Time Effects — Brightness, contrast, saturation, blur, and hue rotation
• Local-First — All media stays on your machine via the File System Access API
• Zero Install — Just open your browser and start editing

Getting Started

pnpm install
pnpm dev

The UI runs on http://localhost:4200.

Commands

pnpm dev          # Start dev server
pnpm build        # Build for production
pnpm typecheck    # Type check all packages
pnpm lint         # Run oxlint
pnpm format       # Format with oxfmt
pnpm test         # Run tests
pnpm build:wasm   # Build WASM compositor (requires Rust + wasm-pack)

Architecture

tooscut/
├── apps/ui/             # TanStack Start app (React 19)
├── packages/
│   └── render-engine/   # @tooscut/render-engine (types, keyframes, compositor)
└── crates/              # Rust WASM (compositor, keyframe, shared types)

See CLAUDE.md for detailed architecture documentation.

License

Elastic License 2.0