ffmpeg.wasm is a pure WebAssembly (and JavaScript/TypeScript) port of FFmpeg that enables in-browser media recording, conversion, and streaming—letting developers perform video/audio processing entirely client-side without server uploads. Transpiled via Emscripten from FFmpeg and its codecs into WebAssembly. Supports both single-threaded and multi-threaded cores using web workers. Written in TypeScript for improved developer experience.

Features

  • Full FFmpeg functionality inside the browser (record, convert, stream)
  • Transpiled via Emscripten from FFmpeg and its codecs into WebAssembly
  • Supports both single-threaded and multi-threaded cores using web workers
  • Data privacy assured—processing happens entirely in the browser, no uploads needed
  • Written in TypeScript for improved developer experience
  • Used for real-time applications like in-browser screen recording

Project Samples

ffmpeg.wasm Screenshot 1

Project Activity

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Categories

Libraries, Video Encoders

License

MIT License

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ffmpeg.wasm Web Site

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Additional Project Details

Programming Language

C

Related Categories

C Libraries, C Video Encoders

Registered

2025-08-12
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