Local, no-upload conversion
Files are processed in a browser Worker on your device — never in an upload queue or on a third-party server.
Free video format converter
Convert common video files to MP4, WebM, MKV, MOV, or TS. Processing happens in your browser, so your files never need to be uploaded.
100% processed on this device — files are never uploaded
Web Worker · Local only
Choose a file to start converting.
Features
A practical video converter, built for the browser
Quick to start, private by design, and no desktop software to install.
Common source formats
Choose MP4, MOV, M4V, WebM, MKV, Ogg Video, TS, and M2TS media files.
More output containers
Export MP4, WebM, MKV, MOV, or TS for the way you plan to play or publish it.
Quality is your call
Switch between Standard and High before you start: Standard is faster and smaller, High keeps more detail.
No watermark, no length cap
Exports carry no branding overlay, and there is no artificial duration or file-size limit.
No install, any modern browser
Runs directly in Chrome, Edge and Firefox with WebCodecs support. No desktop app and no account.
Supported formats
Supported formats
Input: MP4, MOV, M4V, WebM, MKV, Ogg Video, TS, M2TS
Output: MP4, WebM, MKV, MOV, TS
FAQ
Video converter FAQ
The essentials about browser-local conversion, formats, and compatibility.
No. Your chosen file, temporary output, and final download stay in your browser and on your device. This page has no upload step.