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Convert 3G2 to AMR
Convert 3G2 to AMR format — 100% browser-based, no upload required.
2 cores · low tier
Drop a file here or click to select
Format will be auto-detected
About these formats
Source
3G2
3GPP2 MultimediaMobile video format for CDMA-based networks (3GPP2 standard). Similar to 3GP but designed for CDMA2000.
Best for
CDMA mobile videoMMS messagesLegacy mobiles
Advantages
- + Compact files
- + Mobile optimized
- + Wide phone support
Limitations
- − Very low quality
- − Outdated
- − Small resolution
Target
AMR
Adaptive Multi-Rate AudioSpeech codec optimized for voice recording. Widely used in mobile phones for voice notes and MMS audio.
Best for
Voice recordingPhone audioMMS messagesLow-bandwidth speech
Advantages
- + Very small files
- + Optimized for speech
- + Mobile standard
Limitations
- − Speech only (poor music)
- − Low quality
- − Limited sample rates