Videos
Shrink and convert clips for easy sharing.
Convert video
Convert between MP4, MOV & WebM — privately on your device.
- Runs on your device
- Private by design
- Free
Drop a video here
or click to choose · MP4, MOV, WebM, MKV…
Your video is processed right here on your device — nothing is ever uploaded.
How to convert a video
Add your video
Drop in an MP4, MOV, WebM or MKV (up to 500 MB). A one-time ~30 MB engine downloads on first use.
Choose the output format
Pick MP4, WebM or MOV.
Convert & download
Click Convert, then Download to save the converted video.
Frequently asked questions
- Which formats can I convert between?
- Input can be MP4, MOV, WebM, MKV and more; output is MP4, WebM or MOV.
- Is it private, and is there a watermark?
- Yes, private — it runs entirely in your browser with no uploads, and there's no watermark.
- Is there a size limit?
- Up to 500 MB. Files over 150 MB may take a few minutes to process on your device.