Convert Ogg Vorbis (.ogg) to 3GPP Multimedia (.3gp) online for free. Fast, secure audio conversion with no watermarks or registration.
Upload your .ogg 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.
OGG Vorbis is Xiph.org's open-source lossy audio codec, delivering superior quality to MP3 at equivalent bitrates while remaining completely patent-free. Vorbis is natively supported by Firefox, Chrome, Android, and is used internally by Spotify for streaming. 3GP is the lightweight multimedia container created by the 3rd Generation Partnership Project for mobile phones on 3G networks.
Converting OGG to 3GP re-encodes the Vorbis audio into a mobile-compatible format using AMR or low-bitrate AAC. This bridges open-source audio with legacy mobile infrastructure, enabling playback on older feature phones and compatibility with MMS messaging gateways.
Feature phones from the Nokia and Samsung era cannot decode OGG Vorbis. MMS gateways and telecom voicemail systems typically accept only 3GP, AMR, or WAV. Converting OGG to 3GP makes your open-source audio accessible to these constrained mobile environments.
The conversion also produces dramatically smaller files. A Vorbis file at 128 kbps becomes even more compact when re-encoded to AMR-NB at 12.2 kbps, suitable for mass delivery through bandwidth-limited mobile channels.
FFmpeg decodes the Vorbis stream from the OGG container, then transcodes to AMR-NB (8 kHz mono, 4.75-12.2 kbps), AMR-WB (16 kHz mono, 6.6-23.85 kbps), or AAC-LC within a 3GP container conforming to 3GPP TS 26.244. Since both Vorbis and AMR/AAC are lossy, this is a double-lossy transcode with cumulative quality loss. The output file conforms to mobile device expectations for codec profiles and container structure.
Double-lossy transcoding (Vorbis to AMR) produces lower quality than direct WAV-to-AMR conversion. AMR-NB is narrowband (300-3400 Hz) — acceptable for speech but destructive for music. AMR-WB extends to 50-7000 Hz for better voice clarity. For the best quality in 3GP, use AAC-LC at 64 kbps if the target device supports it. Music content will sound heavily compressed regardless.
| Device | OGG | 3GP |
|---|---|---|
| Windows PC | Partial | Partial |
| macOS | Partial | Partial |
| iPhone/iPad | Partial | Partial |
| Android | Native | Native |
| Linux | Partial | Partial |
| Web Browser | Native |
Resolution: N/A
Bitrate: 320 kbps
OGG Vorbis preferred
Resolution: N/A
Bitrate: 256 kbps
AAC format required
Resolution: N/A
Bitrate: 128 kbps
Lossless FLAC/WAV for best quality
Resolution: N/A
Bitrate: 128 kbps
MP3 mono for spoken word
OGG to 3GP bridges open-source audio with legacy mobile infrastructure. Use AMR-WB or AAC within 3GP for the best achievable quality from a Vorbis source.
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| No |
| Egenskap | OGG | 3GP |
|---|---|---|
| Fullt navn | Ogg Vorbis | 3GPP Multimedia |
| Filendelse | .ogg | .3gp |
| Best egnet for | Open source | Mobile optimized |