The fastest way to convert MP4 videos to 3GP format online. Works on mobile phones, MMS, and low-bandwidth networks — no software, no account needed.
Drag & drop or click to select your MP4 video. Any size, any length supported.
Select resolution, frame rate, and bitrate. Perfect defaults for MMS and 3G phones included.
Click convert. Your 3GP file downloads instantly — directly to your device.
Conversion runs in your browser using WebAssembly. Your video files never leave your device.
No upload queues. Processing starts instantly using your device's own power — no waiting in line.
No account, no email, no credit card. Just open the tool, upload your file, and convert.
Pre-tuned profiles for 3G phones, MMS messages, and low-bandwidth networks. Small file, great quality.
Control resolution, frame rate, video bitrate, and audio quality — unlike basic converters.
Chrome, Firefox, Safari, Edge — desktop and mobile. No software installation needed.
MP4 is the universal standard for digital video. It delivers excellent quality at reasonable file sizes and is supported by virtually every device, app, and platform. It stores video, audio, subtitles, and metadata in a single container file.
3GP was designed by the 3GPP consortium for 3G mobile networks. It uses aggressive compression to minimize file size — ideal for MMS messaging, older feature phones, and environments with very limited bandwidth or storage.
Just upload your MP4 file using the tool above, choose your preferred quality settings, and click "Convert MP4 to 3GP." Your file will be ready to download in seconds — completely free with no signup required.
Your files are never uploaded to any server. The entire MP4 to 3GP conversion process runs locally in your browser using WebAssembly FFmpeg. Your video stays on your device at all times — 100% private.
3GP is used for older mobile phones that don't support MP4, for MMS video messages (which have strict file size limits), and for sharing video in areas with slow or limited mobile data connections. Converting MP4 to 3GP drastically reduces file size.
3GP is a compressed format built for smaller file sizes, so some quality reduction is expected. Use the bitrate slider above to balance quality and file size — higher bitrate = better quality, larger file. For MMS, 256 kbps at 352×288 is the sweet spot.
For basic 3G phones: 176×144 (QCIF). For standard use: 352×288 (CIF). For modern smartphones that accept 3GP: 640×480 or Original. For MMS: keep it at 176×144 to stay under carrier size limits.
Yes! The converter works on any modern mobile browser on iOS and Android, as well as all desktop browsers. No app installation is required.