Convert 3GP Files to MP4 on Your Device
Prepare a MP4 version of 3GP in your browser for phones, browsers, players, and upload forms. Conversion stays on-device while a new MP4 file is prepared.
Drop files here or browse (MAX 500 MB)
Max 500 MB per file
Preview (optional)
When your browser supports it, your video appears here. If preview does not load, you can still convert your file normally.
Preview is not available for this file
No worries — your video can still be converted. Set your file name and click Convert when you are ready.
Quick use cases
- Adapt compact mobile playback to a workflow built for general playback and sharing
- Supply MP4 when an editor, player, or delivery form will not accept 3GP
- Create a MP4 copy from 3GP for phones, browsers, players, and upload forms
Workflow
- Add the 3GP media you want to process
- Name the MP4 output before processing
- Run the conversion with MP4 selected
- Check the finished MP4 before delivery
Processing notes
- The device processor performs decoding and encoding during the job during this 3GP-to-MP4 job.
- Available memory can limit very large 3GP conversion jobs.
- Confirm the MP4 output meets the receiving system’s technical limits.
Compatibility notes
- MP4 serves phones, browsers, players, and upload forms, whereas 3GP commonly serves older phones and low-bandwidth delivery.
- For 3GP-to-MP4 delivery, plan for destination-specific internal codec rules.
- After leaving 3GP, the receiving app must support the streams encoded inside MP4, not only its extension.
Troubleshooting
- 3GP to MP4 taking too long? Try a small source first to separate a performance issue from a format issue.
- MP4 converted from 3GP not opening? Test a compatible player and inspect the output streams.
- Use the receiving app’s documented MP4 profile when generic playback succeeds but import fails.
3GP to MP4 converter FAQ
When does 3GP to MP4 conversion make sense?
It is useful when 3GP media created for compact mobile playback must enter a MP4 system designed for general playback and sharing.
Where is the 3GP source processed?
The browser prepares MP4 from 3GP on this device instead of sending the source to a remote conversion server.
How can I approve MP4 converted from 3GP?
Test the MP4 file in the receiving app and compare duration, picture, sound and timing with the 3GP source.