MOV is Apple's QuickTime container; MP4 is its open, cross-platform sibling. The video and audio streams are usually identical (H.264 / AAC) — converting just rewraps them so Windows, Android, and the web play them natively.
Convert MOV to MP4 – Free Online MOV to MP4 Converter
Why convert MOV to MP4?
- Play iPhone-recorded videos on non-Apple devices, Android phones, and Windows PCs.
- Embed in websites, social media, and video platforms that prefer or require MP4.
- Edit in software that doesn't fully support QuickTime metadata.
Tip: When the source uses Apple ProRes or other Mac-only codecs, the video is re-encoded — for plain QuickTime H.264, the conversion is fast and lossless (stream copy).
What is the difference between MOV and MP4?
| MOV | MP4 | |
|---|---|---|
| Container origin | Apple QuickTime, 1991; default for iPhone and Mac recordings | ISO standard (MPEG-4 Part 14), derived from QuickTime in 2001 |
| Typical codecs inside | H.264 or HEVC video, AAC audio; ProRes in pro workflows | H.264/H.265 video with AAC audio |
| Device support | Native on Apple hardware; hit-or-miss elsewhere | Effectively universal — phones, TVs, consoles, browsers |
| Streaming/web use | Rare on the web; treated as a capture/edit format | The baseline for HTML5 video and every upload platform |
| Best for | Recording and editing inside the Apple ecosystem | Sharing, publishing, and playback everywhere else |
Does converting MOV to MP4 lose quality?
Because the two containers share the same internal structure, this is the gentlest video conversion there is: the compressed frames typically move across unchanged, the output lands within a percent or two of the source size, and resolution, frame rate, and HDR flags carry over exactly as recorded. There is no generation loss to look for — comparing source and output frame by frame should show identical pixels.
The exceptions are Apple-only payloads. ProRes video, PCM audio from some cameras, and older QuickTime codecs have no standard seat in MP4, so those streams are decoded and re-encoded — that is when the output shrinks dramatically (ProRes masters can drop to a tenth of their size) and when a careful before/after check is worth a minute of your time.
MOV files carry only one audio track in almost all real-world cases, so track selection is a non-issue here. Chapter markers and Apple-specific metadata (location tags, camera identifiers) may not survive the trip, which for public sharing is arguably a feature rather than a loss.
What can go wrong converting MOV to MP4?
- The converted MP4 plays but the picture is sideways — Phones record rotation as a metadata flag, and some players honor it in MOV but not MP4. Play the file in VLC or re-record holding the phone in its final orientation; the pixels themselves are fine.
- My iPhone video is over the 50 MB free limit — A minute of 4K iPhone footage easily exceeds 50 MB. Record or export at 1080p, trim the clip on the phone before uploading, or shoot in the 'Most Compatible' camera setting which produces smaller H.264 files.
- The MP4 has sound but some players stay silent — A few cameras write PCM or uncommon audio into MOV; if a specific device stays mute, try a player with broad codec support like VLC to confirm the track is there, then play the file on a more recent device.
How to convert MOV to MP4
- Upload your MOV file using the area above.
- MP4 is preselected as the target format.
- Click Start and wait for the conversion to finish.
- Download your converted MP4 file.