WMA Converter

Convert WMA (Windows Media Audio) files online, for free, with nothing to install.

WMA is Microsoft's audio format, once the default of Windows Media Player and many portable players. Converting makes a new file: the sound is decoded and written again, so converting from a lossy format never brings back what was lost. WMA files can be saved as AAC, AIFF, FLAC, M4A, MP3, WAV, on our server.

What is a WMA file?

WMA – Windows Media Audio. WMA is Microsoft's audio format, once the default of Windows Media Player and many portable players. Converting makes a new file: the sound is decoded and written again, so converting from a lossy format never brings back what was lost.

How to convert a WMA file

  1. Click Select File, or drop your .wma files anywhere on this page.
  2. Pick the format you want next to each file, for example AAC.
  3. Click Convert, then Download when it's done.

WMA at a glance

WMA
LayoutA stream of sound
EditableIn audio editors
Created byMicrosoft, 1999
Best forOld Windows and portable players

Frequently asked questions

What is a WMA file?

WMA is Microsoft's audio format, once the default of Windows Media Player and many portable players. Converting makes a new file: the sound is decoded and written again, so converting from a lossy format never brings back what was lost.

How do I open a WMA file?

Most media players open WMA files: VLC plays almost every audio format, and the player on your phone or computer handles the common ones. To read it anywhere, convert it to MP3 here.

Is converting WMA files free?

Yes. Everyone gets 25 free credits a day, with no account needed. Conversions on our server use one credit per started minute of work, so most cost a single credit. Credits reset at midnight UTC.

Are my WMA files uploaded anywhere?

This conversion runs on our server, because converting audio needs ffmpeg, which does not run in a browser. Your file is sent over an encrypted connection, and both it and the result are deleted 72 hours after the conversion. The server has no internet access while it works on your file.

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