Convert MP4 to MOV Online — No Upload, No Watermark
Converting MP4 to MOV gives you a QuickTime file that imports cleanly into Final Cut Pro, iMovie, and macOS previewers.
Drag & drop your video here, or click to browse
Max file size: ~2 GB (memory permitting)
Where MP4 files come from
Converting towards MOV is usually about an Apple editing workflow. Final Cut Pro, Motion and older versions of iMovie are happiest with QuickTime files, and some Apple tooling still treats MOV as the native case.
What changes when you convert MP4 to MOV
| Container | MP4 rewritten as QuickTime MOV |
|---|---|
| Video | Re-encoded to H.264 at CRF 23 |
| Audio | Re-encoded to AAC |
Worth knowing first
This does not produce ProRes. Editors that ask for MOV usually want ProRes inside it, which is an intermediate codec no browser can write. What you get here is H.264 in a MOV wrapper, which is fine for playback and import but not a substitute for a proper intermediate.
FAQ
Will this give me a ProRes file for Final Cut?
No. ProRes is an Apple intermediate codec that cannot be encoded in a browser, and the licensing keeps it out of general tooling. This writes H.264 inside a MOV container. For real ProRes you need Final Cut, Compressor or a desktop FFmpeg build.
Is there any point converting MP4 to MOV?
Only when a specific application insists on the extension. The containers are close relatives, so playback and quality are unchanged. If your app accepts MP4, keep the MP4.
Does the file get bigger?
Marginally, from container overhead. The picture and sound are re-encoded at the same settings, so the difference is a rounding error.
Is this MP4 to MOV converter really free and without upload?
Yes. The tool runs entirely in your browser using FFmpeg compiled to WebAssembly. Your MP4 file never leaves your device — open the DevTools Network tab to verify zero uploads. No signup and no watermark. The practical size limit is the memory your browser gives this tab, which is generous on a computer and a few hundred megabytes on a phone.