Convert 3GPP Multimedia (.3gp) to Mobile Video (.mobile-video) online for free. Fast, secure video conversion with no watermarks or registration.
Upload your .3gp 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.
3GP was designed for older GSM and WCDMA mobile networks, encoding video in H.263 at resolutions as low as 176x144 with AMR audio. The generic mobile video preset targets modern smartphones by encoding H.264 Baseline video at 480p in an MP4 container with AAC audio — a universal configuration that plays on every iPhone, Android, and Windows Phone device produced in the last decade. This conversion bridges the gap between legacy carrier-era video and today's smartphone standard.
Modern smartphones expect MP4/H.264 video with AAC audio. While they may technically support some 3GP variants, playback is often unreliable — gallery apps may not generate thumbnails, sharing apps may refuse to attach the file, and hardware video decoders may not engage for H.263 content, causing excessive battery drain during software decoding. Converting to a standard mobile video profile eliminates all these issues with a single, universal output format.
FFmpeg transcodes 3GP video to H.264 Baseline profile at 480p (or original resolution if lower) with AAC-LC audio at 128 kbps. The Baseline profile ensures compatibility with even the oldest smartphones still in use. CRF encoding targets efficient file sizes. The MP4 container is written with faststart for streaming playback. Aspect ratio is preserved with pillarboxing or letterboxing if necessary.
H.264 at 480p is dramatically more efficient than H.263 at QCIF. Even at a modest 1 Mbps bitrate, H.264 produces cleaner, sharper output than the original H.263 encoding. AMR-to-AAC audio conversion provides a major quality boost. Overall, converted files typically look and sound noticeably better than the 3GP originals while being smaller in file size.
| Device | 3GP | Mobile 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 3GP to a generic mobile video format produces a universally compatible file that plays on every modern smartphone, tablet, and mobile platform without compromise.
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| Caracteristică | 3GP | Mobile Video |
|---|---|---|
| Nume complet | 3GPP Multimedia | Mobile Device Video |
| Extensie | .3gp | .mp4 |
| Cel mai potrivit pentru | Mobile optimized | Universal mobile |