Convert 3GPP2 Multimedia (.3g2) to Android Video (.android-video) online for free. Fast, secure video conversion with no watermarks or registration.
Upload your .3g2 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 .mp4 file when it's ready.
Android devices support a wide range of video formats, but optimal playback requires H.264 video in an MP4 container at resolutions matched to the device's screen. Converting 3G2 to Android-optimized video transforms old CDMA phone recordings from the obsolete 3GPP2 container into a modern format that plays flawlessly on any Android phone or tablet, from budget devices to flagships.
The original 3G2 files were typically recorded at QCIF (176x144) or CIF (352x288) resolution with H.263 video — formats that modern Android media frameworks may handle inconsistently. By re-encoding to H.264 baseline profile in an MP4 container, you ensure reliable playback in Google Photos, the default video player, and every third-party media app on Android.
While Android technically supports 3GP and 3G2 playback, the experience is unreliable. Some manufacturer skins and custom ROMs drop legacy codec support, and the tiny resolutions of old 3G2 files can trigger scaling bugs in certain media players. Converting to an Android-optimized MP4 eliminates these compatibility risks and allows you to add the videos to your Google Photos library for cloud backup and sharing.
Android-optimized encoding also means proper metadata and thumbnail generation. Old 3G2 files often display as blank thumbnails in gallery apps because the container metadata is not recognized. After conversion, Android generates proper preview thumbnails and can index the video for search by date, location, and content.
FFmpeg re-encodes the 3G2 source from H.263 or MPEG-4 Part 2 to H.264 Baseline Profile Level 3.0, which is supported by every Android device since API level 3 (Android 1.5). Audio is transcoded to AAC-LC at 128 kbps stereo. The output container is MP4 with the moov atom moved to the front (faststart) for instant playback without full download. Resolution is preserved from the source or optionally upscaled to a minimum of 480x360 for better display on modern screens.
The visual quality after conversion depends on the source material. Since 3G2 files were recorded at very low resolutions (176x144 or 352x288) with aggressive compression, the converted output will be clearer and more consistent but cannot exceed the original detail. H.264 encoding at equivalent bitrates produces noticeably sharper results than the original H.263 codec, so the same content may actually look slightly better at the same file size.
| Device | 3G2 | Android Video |
|---|---|---|
| Windows PC | Partial | Partial |
| macOS | Partial | Partial |
| iPhone/iPad | Partial | Partial |
| Android | Native | Partial |
| Linux | Partial | Partial |
| Web Browser |
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
Converting 3G2 to Android-optimized video ensures reliable, high-compatibility playback on any Android device. The modern H.264/MP4 format eliminates legacy codec issues and integrates smoothly with Google Photos and Android messaging apps.
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Funcționează oriunde
| No |
8MB free, 50MB Nitro
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| Caracteristică | 3G2 | Android Video |
|---|---|---|
| Nume complet | 3GPP2 Multimedia | Android Compatible Video |
| Extensie | .3g2 | .mp4 |
| Cel mai potrivit pentru | Mobile optimized | Android optimized |