Convert a video between MP4, WebM, MOV, AVI, and MKV — entirely in your browser with no upload and no account.
How to use the video converter tool
- 1
Drop in a video
Choose the video you want to convert.
- 2
Pick a target format
Choose MP4, WebM, MOV, AVI, or MKV.
- 3
Convert and download
Preview the result, then download the converted file.
Common use cases
Fix an incompatible format
Convert a video into a format your device, editor, or upload target actually supports.
Get a web-friendly format
Convert to MP4 or WebM for smaller, more compatible playback on websites.
Prepare a file for an older program
Convert to AVI or MOV for compatibility with older software that doesn't read newer formats.
Frequently asked questions
No — conversion runs with a WebAssembly build of FFmpeg loaded directly in your browser. The file never leaves your device.