Convert MOV to MP4
iPhone and Mac MOV files usually carry H.264/HEVC video that MP4 also speaks — so this is a container swap, not a re-encode: bit-identical quality in seconds.
- Instant remux when codecs match (most iPhone/Mac footage)
- No upload — files never leave your device
- No watermark, no size cap — multi-GB files OK
- HDR footage passes through untouched on remux
Frequently asked questions
Why is this instant when other converters take minutes?
MOV and MP4 are sibling containers. When the video inside is H.264 or HEVC (nearly all iPhone/Mac footage), the packets are copied into an MP4 shell untouched — no decoding, no quality loss, I/O speed only. The probe shows an "Instant" badge when this applies to your file.
Will my iPhone HDR video shift colors?
No — on the instant remux path the video bits are untouched, HDR included. Only re-encode operations (like compressing) need tone-mapping, and you get a notice when that happens.
What if my MOV has an unusual codec?
The pre-flight probe reads the actual tracks. If a re-encode is needed (e.g. ProRes), it says so up front with an time estimate — and if your device can't decode it, you get an honest rejection with the reason, not a broken output.
Is there a file size limit?
No. Files are streamed from disk in small chunks, so 4 GB+ files convert with flat memory. Device RAM is never the bottleneck for remuxing.