Video Conversion
Convert M4V to MP3 Online — Free
Fast, free M4V to MP3 converter. No registration required.
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200万以上のファイル変換
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処理後にファイルを自動削除
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すぐに変換を開始
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変換方法
1
Upload your .m4v file by dragging it into the upload area or clicking to browse.
2
Choose your output settings. The default settings work great for most files.
3
Click Convert and download your .mp3 file when it's ready.
M4Vとは？
M4V is a video container format developed by Apple, similar to MP4. It's commonly used for videos in the iTunes Store and may include DRM protection.
形式の詳細
- 正式名称
- iTunes Video
- 拡張子
- .m4v
主な特徴
- Apple ecosystem
- iTunes compatible
- High quality
- DRM support
MP3とは？
MP3 is the most popular audio format worldwide. It uses lossy compression to reduce file size while maintaining acceptable audio quality for most listeners.
形式の詳細
- 正式名称
- MPEG Audio Layer III
- 拡張子
- .mp3
主な特徴
- Universal compatibility
- Small file sizes
- Streaming support
- ID3 tag support
M4VとMP3の比較
| 特徴 | M4V | MP3 |
|---|---|---|
| 正式名称 | iTunes Video | MPEG Audio Layer III |
| 拡張子 | .m4v | .mp3 |
| 最適な用途 | Apple ecosystem | Universal compatibility |
よくある質問
The audio track is extracted from your M4V file without re-encoding when possible, preserving the original quality. If format conversion is needed, we use optimized settings to minimize any loss.
Free users can process files up to 100MB. Pro users can extract audio from videos up to 2GB with priority processing.
Audio extraction is fast — most files complete in under 30 seconds. Our servers handle the processing, so it works on any device.
Yes. You can adjust bitrate, sample rate, and channels before conversion. Default settings preserve the original audio quality from your M4V file.
Yes. Our converter runs entirely in your browser — no app needed. Upload your video, extract audio, and download on any device.