MOV to MP4 Converter
Convert iPhone & camera videos from MOV to universally compatible MP4 online for free. H.264 encoding. No software needed. Up to 100 MB.
Drop your MOV file hereTap to choose your MOV file
or
Also supports AVI, MKV, WebM, WMV, FLV • Max 100 MB
How to Convert MOV to MP4
Upload
Drag and drop your MOV video into the converter above, or click Choose MOV File to browse your device.
Convert
Click Convert to MP4. Our server re-encodes your video with H.264 + AAC for universal playback. Takes 30 seconds to 2 minutes.
Download
Click Download MP4 to save the converted video. That's it — no registration, no email required.
Convert MOV to MP4 on Any Device
On iPhone / iPad
iPhones record video in MOV format by default, using either HEVC (H.265) or H.264 depending on your camera settings. While Apple devices handle MOV natively, problems appear when you share these videos with Windows or Android users, upload to web forms, or try to embed them on websites. The iOS Share Sheet sometimes converts automatically, but results are inconsistent. Opening this converter in Safari lets you convert any MOV from your Photos library or Files app to a universally playable MP4 — directly from your phone, no app required.
On Windows 10/11
Windows can play MOV files that use H.264 video, but most iPhone MOV files created since 2017 use HEVC (H.265) — a codec Windows doesn't include by default. Microsoft charges $0.99 for the HEVC Video Extensions in the Microsoft Store, and Apple discontinued QuickTime for Windows in 2016 after two unpatched security vulnerabilities. VLC Media Player is a free alternative for playback, but if you need to share, upload, or edit the video, converting to MP4 (H.264) is the permanent solution that works everywhere.
On Mac
macOS handles MOV natively — QuickTime Player, iMovie, and Finder Quick Look all work with MOV files. However, you may need MP4 when uploading videos to websites, sending files to non-Apple users, or sharing on platforms that prefer MP4. QuickTime Player can export to MP4 via File > Export As, but its settings are limited. For more control over quality and compatibility, our online converter encodes with H.264 at CRF 23 with the faststart flag enabled for instant web playback.
On Android
Android support for MOV is inconsistent. While some Android devices can play H.264 MOV files, HEVC MOV from iPhones often fails to play or plays without audio. When iPhone users share videos with Android users via messaging apps, email, or cloud storage, the MOV format is frequently the source of playback issues. Converting to MP4 ensures the video works in every Android gallery app, video player, and social media platform.
What is MOV?
MOV is Apple's video container format, originally developed for QuickTime in 1991. It became the default recording format on iPhones, iPads, and Mac cameras, and is widely used in professional video editing with Final Cut Pro.
MOV can hold virtually any video codec — H.264, HEVC (H.265), ProRes, and Apple Animation — along with AAC, ALAC, or PCM audio. It supports multiple audio tracks, timecode data, and rich metadata. Since iOS 11 (2017), iPhones default to recording HEVC video inside MOV containers, producing files that are roughly 50% smaller than H.264 at the same quality.
The main drawback of MOV is compatibility. While it works perfectly within the Apple ecosystem, Windows, Android, smart TVs, gaming consoles, and many web platforms have limited or no MOV support — especially for HEVC-encoded MOV files.
What is MP4?
MP4 (MPEG-4 Part 14) is the international standard video container format, published as ISO/IEC 14496-14. It was actually derived from Apple's QuickTime MOV format in 2001, making the two formats structurally similar — both use the same atom/box architecture.
MP4 supports H.264 and H.265 video with AAC audio, and includes the faststart flag (moov atom at the beginning) for instant web playback without buffering. It's the recommended upload format for YouTube, Instagram, TikTok, Facebook, and every major platform.
The defining strength of MP4 is universal compatibility. Every computer, phone, tablet, smart TV, gaming console, web browser, and media player manufactured in the last 15 years can play H.264 MP4 files. When you need a video that works everywhere without question, MP4 with H.264 is the safe choice.
MOV vs MP4: Quick Comparison
| Feature | MOV | MP4 |
|---|---|---|
| Developer | Apple (1991) | ISO/MPEG (2001) |
| Base format | QuickTime atoms | ISOBMFF (derived from MOV) |
| Video codecs | H.264, HEVC, ProRes, Animation | H.264, HEVC, AV1 |
| Audio codecs | AAC, ALAC, PCM, AC-3 | AAC, MP3, AC-3 |
| Quality at same codec | Identical | Identical |
| Windows playback | H.264 only (HEVC needs codec) | Native (H.264) |
| Android playback | Partial / unreliable | Universal |
| Smart TVs | Partial / unreliable | Universal |
| Web browsers | Not supported | All browsers (H.264) |
| Social media | Accepted, but re-encoded | Recommended format |
| Best for | Apple workflows, editing | Sharing, web, universal playback |
Understanding MOV to MP4 Conversion Quality
MOV and MP4 are both containers — wrappers that hold video and audio streams. Quality is determined by the codec inside (H.264, HEVC, ProRes), not the container itself. The same H.264 video looks identical whether it's in an MOV or MP4 file.
Our converter uses FFmpeg with H.264 encoding at CRF 23 (Constant Rate Factor), which produces quality that's indistinguishable from the original for most content. CRF 23 scores approximately VMAF 93–96 — well above the threshold where differences become visible. The medium preset balances encoding speed with compression efficiency, and the -pix_fmt yuv420p flag ensures compatibility with every device and browser.
Audio is encoded as AAC at 192 kbps — transparent quality for video audio. The -movflags +faststart flag moves the metadata to the beginning of the file so web browsers can start playback immediately without downloading the entire file first.
If your MOV already contains H.264 video with AAC audio, the conversion is technically a re-encode, not a lossless remux. For maximum quality, always convert from the original recording rather than from a previously compressed copy.
Why Convert MOV to MP4?
Universal playback
H.264 MP4 plays on every device manufactured in the last 15 years: Windows PCs, Android phones, smart TVs (Samsung, LG, Sony), gaming consoles (PS5, Xbox), and all web browsers. MOV fails on many of these platforms, especially when it contains HEVC video.
Sharing with non-Apple users
When you send an iPhone video to someone on Windows or Android, they may not be able to play the MOV file. Converting to MP4 before sharing eliminates the "I can't open your video" problem entirely.
Social media & web
YouTube, Instagram, TikTok, Facebook, and Twitter all recommend MP4 with H.264 for uploads. While these platforms accept MOV, uploading MP4 means faster processing, fewer errors, and smaller file sizes for faster uploads.
Email & messaging
Gmail limits attachments to 25 MB, Outlook to 20 MB. iPhone HEVC videos are already compressed, but converting to MP4 at CRF 23 can further reduce file sizes. For longer videos that exceed email limits, the smaller MP4 file is easier to share via cloud links.
Frequently Asked Questions
qt vs isom). If the MOV uses HEVC (common on iPhones) or ProRes, renaming will not work at all. Proper conversion ensures the file plays correctly on every device.