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Convert WMA to SPX
Convert WMA to SPX 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 Once common in Windows, now largely superseded by AAC and Opus.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- − Outdated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
SPX
Speex AudioOpen-source speech codec designed for voice over IP. Provides good speech compression at very low bitrates.
Best for
VoIPVoice chatSpeech compressionPodcasts
Advantages
- + Optimized for speech
- + Open source
- + Very low bitrate
Limitations
- − Superseded by Opus
- − Speech only
- − Declining usage