Convert video
MP4, WebM, GIF, or extract audio as MP3 - all locally in your browser.
Drop a video here
or click to browse - files stay on your device
Max file size: 500 MB
About this tool
Convert videos between formats - MP4, WebM, MOV, MKV and more. Great for compatibility with social platforms and editing software.
Features
- MP4, WebM, MOV, MKV, AVI
- Choose video and audio codec
- Quality / bitrate controls
- Powered by FFmpeg WebAssembly
How to use it
- Upload a video.
- Pick the target format.
- Click Convert and download.
🔒 100% private
Everything happens inside your browser using JavaScript and WebAssembly. Your files are never uploaded to a server, never stored, and never seen by us.
Frequently asked questions
Why is conversion slow in the browser?
FFmpeg-WASM runs single-threaded in the browser and is slower than native; large files may take several minutes.