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Tooscut

lastmod 2026-03-23created 2026-03-231 edits

A professional video editor in the browser, built with WebGPU and WASM

About

  • A professional video editor that runs in the browser, supporting GPU acceleration and real-time preview with no installation
  • Delivers native-level performance through a compositing engine based on WebGPU and Rust/WASM
  • Also includes advanced editing features such as a multi-track timeline, cross transitions, and keyframe animation
  • Effects such as brightness, contrast, saturation, and blur are computed on the GPU, allowing instant preview with no rendering delay
  • With a local-first architecture, files are stored only locally; released as open source under the Elastic License 2.0

Browser-based professional video editor

  • Tooscut is a professional video editor (NLE) that runs in the browser with no installation
    • Supports GPU compositing, keyframe animation, and real-time preview
    • Delivers native-app-level performance based on WebGPU and Rust/WASM
  • GPU-accelerated rendering
    • The WebGPU-powered compositing engine is implemented in Rust/WASM, maintaining high performance during real-time preview and export
    • Processes video effects quickly with GPU computation
  • Multi-track timeline
    • Supports unlimited video and audio tracks on a canvas-based timeline
    • Provides cross transitions between clips
  • Keyframe animation
    • Bezier-curve-based keyframe animation can be applied to every property
    • Various parameters such as position, opacity, and effects can be adjusted over time
  • Real-time effects
    • Effects such as brightness, contrast, saturation, blur, and hue rotation are computed on the GPU for instant preview
    • Results can be checked with no rendering delay while adjusting effects
  • Local execution with no installation
    • All features run inside the browser, and media files are stored only locally via the File System Access API
    • With a local-first architecture, no data is sent to external servers
    • Integrates modern web technologies such as WebGPU, WASM, Web Audio, and the File API
  • License and open source
    • Distributed under the Elastic License 2.0
    • Source code is public on GitHub

See also

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author Zer0 sitemap