Convert videos between MP4, WebM, AVI, MOV, MKV and 20+ formats — free, private, browser-based.
Click "Start Converting — Free" to launch the video converter.
Select your video file and choose the output format (MP4, WebM, etc.).
FFmpeg processes the video locally in your browser. Download when done.
Convert MP4, WebM, AVI, MOV, MKV, FLV, WMV, OGV and more.
Videos never leave your device — FFmpeg runs in your browser.
No subscription, no watermarks, no limits.
Uses FFmpeg compiled to WebAssembly for professional-grade conversion.
Works in all modern browsers on any device.
MP4, WebM, AVI, MOV, MKV, FLV, WMV, OGV, M4V, 3GP and many more — over 20 video formats.
Yes, completely free with no usage limits or watermarks.
It depends on the video length, resolution, and your device. FFmpeg in the browser is efficient, but large files may take a few minutes.
No. FFmpeg (compiled to WebAssembly) runs entirely in your browser. Your videos never leave your device.
Yes! Convert MP4, AVI, MKV or any video file to MP3 or any audio format using AnyConvert.