Video Conversion
Convert 3GP to MP3 Online — Free
Fast, free 3GP to MP3 converter. No registration required.
またはインポート元
200万以上のファイル変換
数千人のユーザーに信頼されています
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HTTPS暗号化アップロード
プライバシー優先
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
どこでも動作
あらゆるブラウザ、あらゆるデバイス
変換方法
1
Upload your .3gp 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.
3GPとは？
3GP is a multimedia container format designed for 3G mobile phones. It's optimized for low bandwidth and storage, making videos smaller but lower quality.
形式の詳細
- 正式名称
- 3GPP Multimedia
- 拡張子
- .3gp
主な特徴
- Mobile optimized
- Small file size
- 3G network compatible
- Low bandwidth
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
3GPとMP3の比較
| 特徴 | 3GP | MP3 |
|---|---|---|
| 正式名称 | 3GPP Multimedia | MPEG Audio Layer III |
| 拡張子 | .3gp | .mp3 |
| 最適な用途 | Mobile optimized | Universal compatibility |
よくある質問
The audio track is extracted from your 3GP 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 3GP file.
Yes. Our converter runs entirely in your browser — no app needed. Upload your video, extract audio, and download on any device.