Convert 3GP to MP4
3GP is great for old keypad / feature phones and tiny file sizes, but MP4 is the better choice for sharing video anywhere — phones, social media, web and TVs. Convert 3GP to MP4 in seconds, right in your browser.
- No upload — 100% private
- Fast, lossless when possible
- Free & unlimited
- Works on iPhone & Android
Keep this tab open — the conversion runs on your device, nothing is uploaded.
Add more files above to keep converting.
How to convert 3GP to MP4
- 1
Tap Choose files and select one or more 3GP files (or drag them in).
- 2
Check that MP4 is selected. Use Advanced options for resolution, size or trimming.
- 3
Press Convert. Everything happens on your device — no upload, no waiting in a queue.
- 4
Your MP4 downloads automatically. Converting several files? Grab them all as a ZIP.
3GP vs MP4
Both formats are lossy, so the video is re-encoded once. Pick High quality to keep it as close to the original as possible, or Small for the smallest file.
| 3GP | MP4 | |
|---|---|---|
| Full name | 3GPP Mobile Video | MPEG-4 Part 14 |
| Type | Video | Video |
| Compression | Lossy | Lossy |
| Developed by | 3GPP | MPEG |
| Introduced | 2003 | 2001 |
| Plays on iPhone | ◐ Partly / with an app | ✓ Yes |
| Plays on Android | ✓ Yes | ✓ Yes |
| Plays on Windows | ◐ Partly / with an app | ✓ Yes |
| Plays on Mac | ◐ Partly / with an app | ✓ Yes |
About 3GP and MP4
3GP: 3GP was designed for mobile phones in the 2000s. It keeps files tiny, which makes it perfect for old keypad phones, feature phones and very slow connections.
MP4: MP4 is the universal video format. With H.264 video and AAC audio it plays on every iPhone, Android phone, smart TV, browser, WhatsApp, Instagram and YouTube.
Frequently asked questions
How do I convert 3GP to MP4 on my phone?
Will converting 3GP to MP4 reduce quality?
Is this 3GP to MP4 converter free?
Are my files uploaded to a server?
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