Video Conversion
Convert 3GP to RMVB Online — Free
Fast, free 3GP to RMVB 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 .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 .rmvb 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
RMVBとは？
RMVB is a RealNetworks video format using variable bitrate encoding. Popular in Asia for distributing TV shows and movies due to excellent compression ratios.
形式の詳細
- 正式名称
- RealMedia Variable Bitrate
- 拡張子
- .rmvb
主な特徴
- Variable bitrate
- Good compression
- Streaming support
- Asian media
3GPとRMVBの比較
| 特徴 | 3GP | RMVB |
|---|---|---|
| 正式名称 | 3GPP Multimedia | RealMedia Variable Bitrate |
| 拡張子 | .3gp | .rmvb |
| 最適な用途 | Mobile optimized | Variable bitrate |
よくある質問
Our converter preserves resolution, frame rate, and audio tracks by default. The RMVB output uses optimized codec settings to maintain quality as close to the original 3GP as possible.
Free users can convert videos up to 100MB. Pro users can convert files up to 2GB with server-side processing — no software installation needed.
Most videos convert in under 60 seconds. Longer or higher-resolution files may take 1-3 minutes. Processing runs on our servers, so your device stays fast.
Yes. Our video converter is browser-based — works on iPhone, Android, tablet, and desktop. No app download required.
Yes. Audio is preserved by default during video conversion. You can also adjust audio codec, bitrate, and volume in the advanced settings.