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Convert WMA to AMR
Convert WMA 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
WMA
Windows Media AudioMicrosoft's proprietary audio format. Once common in Windows, now largely superseded by AAC and Opus.
Best for
Legacy Windows audioWindows Media Player
Advantages
- + Windows native support
- + DRM support
- + Decent compression
Limitations
- − Windows-only
- − Proprietary
- − Poor cross-platform support
- − Outdated
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