Convert MP4 to MOV: Free Video Converter
Convert MP4 videos to QuickTime MOV format. Perfect for Apple devices and Final Cut Pro. Free online converter.
MP4に対応
アップロードすることで、これらのファイルの権利を有していること、および利用規約に同意することを確認したものとみなされます。
変換設定: ファイルを追加すると調整できます
安全な転送
HTTPS暗号化アップロード
プライバシー優先
ゲストのファイルは約2時間で自動削除
登録不要
すぐに変換を開始
どこでも動作
あらゆるブラウザ、あらゆるデバイス
About MP4 files
MP4 is the universal video format. MOV is Apple's QuickTime container, the native format of Final Cut Pro, iMovie and many Mac workflows.
Mac editors, some Apple tools and certain broadcast systems ask for MOV. Because both containers are close relatives, most MP4 files can become MOV without touching the video.
How we convert MP4 to MOV
- Fast path
- With no options changed, we copy the H.264 or H.265 video and AAC sound from the MP4 into MOV. Nothing is re-encoded.
- Fallback
- If a stream cannot go into MOV, we re-encode to H.264 at CRF 23 with AAC sound at 192 kbps.
- Measured
- A 30-second 1080p MP4 of 23.7 MB became a 23.7 MB MOV in about 4 seconds.
Common problems and fixes
Final Cut or iMovie still refuses the file.
Some editors want H.264 rather than H.265. Choose the High preset to force an H.264 re-encode.
The MOV is the same size as the MP4.
That is correct on the fast path. The data is the same, only the container changed.
I need a MOV with a different frame rate.
Set the frame rate in the options. The video is then re-encoded at that rate.
MP4 から MOV への設定
- エンジン
- メディア
- 設定
- 調整できる設定: 31
- Trim Start
- Trim End
- Volume
- Audio Fade In
- Audio Fade Out
- Video Codec
- Quality (CRF)
- Encoding Speed
- Profile
- Level
- Tune
- Resolution
MP4からMOVへの変換について
MOV (QuickTime Movie) is Apple's native video container, offering seamless integration with macOS, iOS, and Apple's professional software like Final Cut Pro. While MP4 is universally compatible, certain Apple workflows prefer or require MOV format.
Our MP4 to MOV converter creates QuickTime-compatible files from your MP4 videos. For most conversions, we perform a simple remux—repackaging the video streams without re-encoding—which completes instantly and preserves exact original quality.
MP4をMOVに変換する理由
Final Cut Pro and Apple workflows sometimes require MOV. While Final Cut handles MP4, some workflows, templates, and plugins expect MOV input. Converting ensures compatibility with Apple-centric professional environments.
QuickTime integration is smoother with MOV. System previews, thumbnail generation, and Quick Look work more reliably with MOV than MP4 on macOS. For heavy macOS users, MOV offers subtle usability benefits.
Legacy Apple software may require MOV. Older versions of iMovie, Motion, and other Apple applications have better MOV support than MP4. For archived projects, MOV provides compatibility.
主な活用例
- Import videos into Final Cut Pro workflows
- Create QuickTime-optimized files for Apple software
- Prepare footage for Apple-based production pipelines
- Build compatible media libraries for macOS
- Generate MOV files for legacy Apple applications
- Optimize video handling on macOS systems
仕組み
For MP4 files with H.264 video (most common), we perform lossless remuxing—streams transfer to MOV container without re-encoding. This is fast and preserves exact quality: a 30-second 1080p MP4 took about 4 seconds of processing in our tests.
When re-encoding is necessary (a stream MOV cannot hold, or a setting you changed), we encode H.264 at CRF 23 with AAC audio at 192 kbps in the MOV container.
品質とパフォーマンス
Remuxing is completely lossless—video data is identical, just repackaged. When a re-encode is needed, the output is H.264 at CRF 23, which stays close to the source for normal viewing.
デバイス互換性
| Device | MP4 | MOV |
|---|---|---|
| Windows | Native | Partial |
| macOS | Native | Native |
| iOS | Native | Native |
| Android | Native | Partial |
| Linux | Native | Partial |
| ChromeOS | Native | Partial |
MP4 to MOV: real-world performance
| Speed | ~5 seconds for a 10-second clip; instant when codecs are MOV-compatible (stream copy). |
| Output size | Unchanged on a stream copy (measured 3.15 MB → 3.38 MB). |
| Quality | Identical when remuxed — no re-encode. |
| Engine | Media engine, server-side. |
Measured on our servers, June 2026, on a 10-second 1280×720 clip. See all measured conversions →
プラットフォーム別の推奨設定
YouTube
Resolution: 1920x1080
Bitrate: 8-12 Mbps
YouTube accepts MOV — H.264 codec recommended
Instagram Reels
Resolution: 1080x1920
Bitrate: 3.5 Mbps
MOV accepted natively on Instagram
TikTok
Resolution: 1080x1920
Bitrate: 6 Mbps
MOV uploads supported, vertical preferred
Resolution: 1280x720
Bitrate: 3 Mbps
MOV supported on iOS but may fail on Android recipients
Twitter/X
Resolution: 1280x720
Bitrate: 5 Mbps
MOV accepted, H.264 codec required
Discord
Resolution: 1280x720
Bitrate: 5 Mbps
MOV may not embed in all clients — MP4 preferred
最良の結果を得るためのヒント
- 1H.264 MP4 files remux to MOV instantly with zero quality loss
- 2The MOV keeps the H.264 video of your MP4, so Final Cut Pro and iMovie open it directly
- 3Keep your original MP4 — MOV is primarily for Apple-specific workflow needs
- 4Remuxed files are nearly identical in size to the source MP4
- 5MOV with H.264 plays natively on every iPhone and iPad
関連する変換
Create QuickTime-compatible MOV files from your MP4 videos. Our converter uses lossless remuxing when possible, delivering instant conversions with preserved quality for Apple workflows.
MP4とMOVの比較
| 特徴 | MP4 | MOV |
|---|---|---|
| 正式名称 | MPEG-4 Part 14 | Apple QuickTime Movie |
| 拡張子 | .mp4 | .mov |