Video Conversion
Convert WebM to 3G2 Online — Free
Fast, free WebM to 3G2 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
安全な転送
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
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
変換方法
1
Upload your .webm 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 .3g2 file when it's ready.
WebMとは？
WebM is an open, royalty-free media format designed for the web. It provides high-quality video with efficient compression, making it ideal for online streaming.
形式の詳細
- 正式名称
- WebM Video
- 拡張子
- .webm
主な特徴
- Web optimized
- Royalty-free
- VP9 codec support
- HTML5 compatible
3G2とは？
3G2 is a multimedia container format similar to 3GP but designed for CDMA-based 3G networks. It's optimized for mobile devices with limited bandwidth.
形式の詳細
- 正式名称
- 3GPP2 Multimedia
- 拡張子
- .3g2
主な特徴
- Mobile optimized
- CDMA compatible
- Small file size
- Low bandwidth
WebMと3G2の比較
| 特徴 | WebM | 3G2 |
|---|---|---|
| 正式名称 | WebM Video | 3GPP2 Multimedia |
| 拡張子 | .webm | .3g2 |
| 最適な用途 | Web optimized | Mobile optimized |
よくある質問
Our converter preserves resolution, frame rate, and audio tracks by default. The 3G2 output uses optimized codec settings to maintain quality as close to the original WebM 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.