Convert MOV to MP4
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MOV is the QuickTime container Apple uses for iPhone camera recordings, screen recordings, and anything exported from a Mac. It plays fine on Apple devices but often refuses to open on Windows, Android, or when you try to upload it to a site that expects MP4. This tool re-packages your MOV into a standard MP4 file.
The conversion runs entirely inside your browser tab using WebAssembly — your iPhone video is never sent anywhere. That matters if the clip is personal footage you would rather not hand over to a random web service.
Also useful: Convert MKV to MP4 · Extract audio from video
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Frequently asked questions
Will this work with a video straight off my iPhone?
Yes — iPhone camera clips are typically MOV files with H.264 or HEVC video, and this tool handles them and outputs a standard MP4 that plays anywhere.
Does my video get uploaded anywhere?
No. The whole conversion happens on your device via WebAssembly — nothing is sent to a server, so it also works without an internet connection once the tool has loaded.
Is there a size limit, and does my browser matter?
Files up to 300MB on desktop (100MB on mobile), with no duration limit. Any modern browser with WebAssembly support works — this tool does not require WebCodecs.