How to Convert 3GP to 3G2 — Quick & Free
Fast, instant 3GP to 3G2 conversion. No signup required. Just drop your .3gp file and get .3g2 in seconds.
Batch Settings
お持ちの3GPファイルを、より汎用性の高い3G2形式へ変換する際、画質や音声の劣化を最小限に抑えつつ、スムーズな移行を実現したいと考えるのは当然のことでしょう。特に、ビジネスシーンでの資料共有や、個人的な思い出の映像を様々なデバイスで手軽に楽しみたい場合、適切なファイル形式の選択は非常に重要です。当社の変換ツールは、そうした細やかなニーズに応えるべく開発されました。直感的な操作性で、どなたでも簡単に高品質な変換を体験いただけます。大切な映像コンテンツを、最適な形で次世代へと繋ぐお手伝いをさせてください。
- アニメ・漫画関連イベントの記録映像
- 企業内での研修動画・プレゼン資料
- ガラケー時代の思い出動画の再活用
かつて日本で普及したフィーチャーフォン（ガラケー）で撮影された動画は3GP形式が多く、これらをスマートフォンなどで視聴する際に3G2への変換が有効な場合があります。縦書きの字幕やテロップを多用するコンテンツでは、変換後の表示確認が特に重要です。
About 3GP to 3G2 Conversion
Short answer: yes, you can convert 3GP to 3G2 online for free, and quality is well preserved with the right settings. Just upload your .3gp file to CocoConvert, pick 3G2 as the output, and click Convert. The whole process takes seconds.
Now for the details. 3GP is a mobile video format designed for small file sizes on cellular networks. 3G2 is a widely used file format. Converting between these two formats lets you convert between formats quickly.
Your 3GP file is decoded and re-encoded as 3G2. Converting 3GP to 3G2 maintains high quality with CocoConvert's optimised encoder settings.
CocoConvert runs entirely online — no software to install, no account to create. Your files are encrypted during upload (TLS), processed on isolated servers in Germany, and permanently deleted after 24 hours. It works in Chrome, Safari, Firefox, Edge, and all mobile browsers.
Need to convert more than one file? Free users can do 5 per hour. Pro gets 100 per hour with files up to 5 GB each.
How to Convert 3GP to 3G2
- 1
1. Upload 3GP
Drop your .3gp file onto the page (or tap "Browse" on mobile). Add multiple files for batch conversion.
- 2
2. Select 3G2
Choose .3g2 from the output dropdown. Settings are pre-configured for best results.
- 3
3. Convert
One click. The server handles all the heavy lifting using FFmpeg and Sharp.
- 4
4. Download
Your .3g2 file is ready. Download it directly or get all files as a zip archive.
What Happens When You Convert 3GP to 3G2
Your 3GP file is decoded and re-encoded as 3G2.
Your 3GP file is uploaded and validated
The file is decoded (parsed into its raw data)
The data is re-encoded in 3G2 format
The converted file is ready for download
Format Comparison
3GP
.3gp file
| Extension | .3gp |
| MIME Type | video/3gpp |
| Category | Video |
3G2
.3g2 file
| Extension | .3g2 |
| MIME Type | video/3gpp2 |
| Category | Video |
Should You Convert 3GP to 3G2?
When to Convert
- ✓When you need a 3G2 file
Frequently Asked Questions
Is 3GP to 3G2 conversion free?
Yes. CocoConvert offers free 3GP to 3G2 conversion with generous daily limits — 25 minutes of processing time and up to 5 files per hour (250 MB each). Pro plans remove these limits.
How fast is 3GP to 3G2 conversion?
Most files convert in 2–10 seconds depending on size. Large video files may take 30 seconds. Batch jobs process in parallel for maximum speed.
What happens to my files after conversion?
Your uploaded 3GP file and the converted 3G2 file are both automatically deleted from our servers within 24 hours. They are never shared, sold, or analysed.
Does converting 3GP to 3G2 lose quality?
Converting 3GP to 3G2 maintains high quality with CocoConvert's optimised encoder settings.
Can I convert 3G2 back to 3GP?
Yes, CocoConvert supports 3G2 to 3GP conversion as well. However, if the original conversion involved lossy compression, converting back won't recover the lost data.
Versions are pinned in our worker Dockerfile and re-built via CI on every change.