Convert 3GP to MP4
Convert 3GP to MP4 online free. Fast, private and in your browser — no upload, no sign-up and no watermark. Batch 3GP→MP4 conversion that works on any device.
To convert 3GP to MP4, drop your 3GP file into the converter above, then download the MP4 result. It's free, needs no sign-up, and there's no watermark. Conversion runs in your browser with on-device FFmpeg, so your files never leave your device.
Why convert 3GP to MP4?
Convert 3GP to MP4 to modernise old phone videos. 3GP was built for early mobiles; converting to MP4 improves compatibility and makes the clips play smoothly on today's phones, browsers and editors.
- Playing old 3GP phone recordings on modern devices.
- Uploading legacy mobile video to social platforms.
- Editing 3GP footage in current software.
3GP vs MP4
3GP · 3GPP Multimedia
3GP is a compact format made for early mobile phones. Converting to MP4 improves compatibility and quality on today's phones, browsers and editors.
MP4 · MPEG-4 Part 14 (H.264)
MP4 with H.264 video is the most universally compatible video format — it plays everywhere and uploads cleanly to YouTube, Instagram, TikTok and messaging apps.
Need more options?
Video Converter
Convert video to MP4, WebM, MOV, MKV, GIF or MP3.
Open Video Converter3GP to MP4 — frequently asked questions
How do I convert 3GP to MP4?
Drop your 3GP file (or several) into the converter, confirm MP4 is selected as the output, click convert, then download the MP4 file. The whole thing takes a few seconds.
Is this 3GP to MP4 converter free?
Yes — it's completely free with no watermark and no sign-up required.
Is it safe to convert 3GP to MP4 here?
Yes. Conversion runs on-device with FFmpeg compiled to WebAssembly, so your 3GP file is never uploaded to a server.
Can I convert multiple 3GP files at once?
Add your 3GP file and convert it, then repeat for the next one — each runs locally in your browser.
Does it work on mobile?
Yes — the converter runs in any modern browser on phones, tablets and desktops.