Audio ToolsFree

WMA to MP3

Convert WMA (Windows Media Audio) files to MP3 format for cross-platform compatibility. WMA is Microsoft's proprietary codec with limited support outside Windows. MP3 plays on iPhone, Mac, Android, all web browsers, and every audio device. No signup.

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MP3, AAC, WAV, FLAC, OGG, WMA, AIFF, M4A

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Frequently Asked Questions

Why doesn't WMA play on Mac or iPhone?▼
WMA uses Microsoft's proprietary Windows Media Audio codec, which is not natively supported by macOS, iOS, Android, or most non-Windows software. MP3 is universally supported everywhere.
Is quality preserved converting WMA to MP3?▼
The conversion re-encodes WMA audio to MP3. At 192–320 kbps output, quality is very close to the source WMA. Some generation loss is inherent when converting between lossy formats.
What bitrate does the MP3 use?▼
The default output is 192 kbps MP3, which matches the typical quality of standard WMA files. You can adjust the bitrate from 128 to 320 kbps.
Are WMA Lossless files supported?▼
Standard WMA (WMA Standard, WMA Pro) files are fully supported. WMA Lossless may have limited support depending on the FFmpeg build.
Is the conversion done in the browser?▼
Yes. FFmpeg WebAssembly handles WMA decoding and MP3 encoding locally. No file is uploaded.