Video Converter
Convert between MP4, WebM, and MOV.
First use downloads a ~25MB video engine to your browser (one-time, cached after). Full re-encoding takes real time, roughly proportional to the video's length.
Drop a video file here, or browse
MP4, WebM, MOV, AVI · nothing uploaded
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Converting video between MP4 and WebM covers the two formats most platforms actually need — MP4 for broad compatibility, WebM for smaller web-optimized files — with a real video-processing engine running in your browser.
How it works
- Add your videoDrop in MP4, WebM, MOV, or AVI.
- Pick a formatMP4 for compatibility, WebM for smaller web-friendly files.
- Download the resultA real video engine runs the conversion right in your browser.
FAQ
Which format should I choose?
MP4 is the most widely compatible choice. WebM produces smaller files and is ideal for web use.
Is there a file size limit?
No hard limit, but larger videos take longer and use more of your device’s memory.