Convert MP4 to 3GP

Tested on Windows 11, 24 October 2026

Convert MP4 video to 3GP in your browser or in the Filoshi app for Windows. The picture and sound are re-encoded with FFmpeg at a high-quality setting, and the original file is never changed. Nothing is uploaded.

Get Filoshi · $29Many files at once, no size limit, on Windows.

How to convert MP4 to 3GP in your browser

  1. 1
    Drop your MP4 file
    Drag it onto Filoshi above, or press Choose your MP4 file to pick it on your computer.
  2. 2
    Filoshi converts it
    3GP is chosen already. FFmpeg, compiled to WebAssembly, converts it inside this browser tab.
  3. 3
    Save your 3GP file
    Download it when it is ready. Nothing was sent to a server.
Source format

What is MP4?

MPEG-4 Part 14 (.mp4). MP4 is the most widely supported video format: it plays on practically every phone, TV, browser and editing program. It is a container, and the video inside is usually H.264 or H.265, with AAC sound. Both codecs are lossy, which is why MP4 files stay small.

Common use: Sharing videos online, social media, streaming, and general playback

Output format

What is 3GP?

3GPP Multimedia (.3gp). 3GP is the video format defined for 3G mobile phones. Phones of the 2000s recorded small, low-resolution 3GP clips with H.263 or H.264 video and AMR or AAC sound, so many old phone videos are in this format.

Common use: Videos from older mobile phones

Questions about MP4 to 3GP

Is converting MP4 to 3GP free?
Yes, one file at a time: the converter on this page runs in your browser, files up to 200 MB, no sign-up. The Filoshi desktop app ($29 once, for Windows) converts many files at once and has no size limit.
Does converting MP4 to 3GP lose quality?
Yes, a little. 3GP is a lossy format, so some detail is thrown away when the file is saved. Filoshi re-encodes the video at a high-quality setting, so the difference is usually hard to see. MP4 is lossy too, so this is a second round of compression; convert from the original, not from earlier conversions.
Is my MP4 file uploaded anywhere?
No. The converter on this page runs in your browser with FFmpeg compiled to WebAssembly; your MP4 file is read and converted on your device and never sent to a server. The desktop app works the same way, offline.
Has MP4 to 3GP been tested?
Yes. MP4 to 3GP is one of the 1,841 conversions that passed Filoshi's automated test matrix on Windows 11.
Can I convert many MP4 files at once?
Yes, in the desktop app. Drop as many MP4 files as you like on the window, pick 3GP once for all of them, and each file shows its own progress. The new files appear next to the originals, which are never changed.

Related conversions

Other MP4 conversions

MP4 to MKVMP4 to WEBMMP4 to MOVMP4 to AVIMP4 to FLVMP4 to TSMP4 to OGVMP4 to F4V

Convert to 3GP

MKV to 3GPMOV to 3GPAVI to 3GPWEBM to 3GPFLV to 3GPWMV to 3GPM4V to 3GPMPG to 3GP

Need MP4 to 3GP for many files?

The browser converter handles one file at a time. The Filoshi app for Windows converts as many as you drop, runs offline, and has 1,841 tested conversions.

Get Filoshi · $29