Convert Audio Video Interleave (.avi) to 3GPP Multimedia (.3gp) online for free. Fast, secure video conversion with no watermarks or registration.
Conversion settings — add a file to adjust
Upload your .avi file by dragging it into the upload area or clicking to browse.
Choose your output settings. The default settings work great for most files.
Click Convert and download your .3gp file when it's ready.
AVI (Audio Video Interleave) files use Microsoft's RIFF container structure, often holding DivX or XviD-encoded video at resolutions up to 1080p. 3GP (3GPP Multimedia) is a lightweight container designed by the 3rd Generation Partnership Project specifically for mobile networks, typically carrying H.263 or MPEG-4 Part 2 video at QCIF (176x144) or CIF (352x288) resolution. Converting AVI to 3GP transcodes the video into a mobile-optimized codec and drastically reduces file size — a 700 MB AVI can shrink to under 15 MB as 3GP.
3GP was engineered for bandwidth-constrained 2G/3G mobile networks where every kilobyte matters. If you have AVI files from a camcorder or screen recorder and need to send them via MMS, share on older feature phones, or upload to services with strict mobile format requirements, 3GP delivers the smallest possible file. Many legacy Nokia, Samsung, and Motorola handsets only play 3GP natively.
The converter decodes AVI's video stream (DivX, XviD, MJPEG, or H.264) and audio stream (PCM, MP3, or AC3) using FFmpeg, then re-encodes video to H.263 or MPEG-4 Part 2 at mobile-friendly bitrates (64–256 kbps) and audio to AMR-NB at 12.2 kbps or AAC-LC at 32 kbps. Resolution is downscaled to 176x144 (QCIF) or 320x240 depending on the quality preset. Frame rate is typically capped at 15 fps to keep the output size minimal.
Expect significant visual quality reduction since 3GP targets extremely low bitrates. Fine details, fast motion, and color gradients will show compression artifacts. Audio is reduced to narrowband (AMR-NB) or low-bitrate AAC, which sounds acceptable for speech but noticeably degrades music. For the best 3GP result, choose the highest bitrate preset the target device supports.
| Device | AVI | 3GP |
|---|---|---|
| Windows PC | Native | Partial |
| macOS | Partial | Partial |
| iPhone/iPad | Partial | Partial |
| Android | Partial | Native |
| Linux | Partial | Partial |
| Web Browser | No |
Resolution: 1920x1080
Bitrate: 8-12 Mbps
H.264 recommended for fast processing
Resolution: 1080x1080
Bitrate: 3.5 Mbps
Square or 9:16 for Reels
Resolution: 1080x1920
Bitrate: 4 Mbps
9:16 vertical, under 60s ideal
Resolution: 1280x720
Bitrate: 5 Mbps
Under 140s, 512MB max
Resolution: 960x540
Bitrate: 2 Mbps
16MB limit for standard, 64MB for document
Resolution: 1280x720
Bitrate: 4 Mbps
AVI to 3GP conversion is ideal when you need the smallest possible video file for mobile delivery. While quality is limited by the 3GP specification, the format remains relevant for MMS, feature phones, and ultra-low-bandwidth scenarios.
Безопасная передача
Загрузки зашифрованы по HTTPS
Конфиденциальность прежде всего
Файлы автоматически удаляются после обработки
Без регистрации
Начните конвертировать мгновенно
Работает везде
| No |
8MB free, 50MB Nitro
Любой браузер, любое устройство
| Характеристика | AVI | 3GP |
|---|---|---|
| Полное название | Audio Video Interleave | 3GPP Multimedia |
| Расширение | .avi | .3gp |
| Лучше всего подходит для | Windows native | Mobile optimized |