Convert SPX to WMA
Fast, free SPX to WMA conversion — works in any browser
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spx
An audio file with recorded voice messages
| File extension | .spx |
|---|---|
| File category | audio |
| Programs | VLC media player Audacity foobar2000 MPlayer |
| Tech description | https://en.wikipedia.org/wiki/Speex |
| MIME type | audio/ogg; codecs=speex audio/x-speex |
| Developer | Jean-Marc Valin (Xiph.Org) |
This format extension is one of the Speex Audio formats. It is an open-source codec developed by Xiph.Org. Used for creating voice messages and transmitting voice over packet-based networks with a low level of security. It is an audio file with recorded voice messages that are packaged in an OGG file. Only certain media players can open it.
wma
WMA — Windows Media Audio
| File extension | .wma |
|---|---|
| File category | audio |
| Programs | Windows Media Player VLC media player Winamp foobar2000 Apple iTunes |
| Tech description | https://en.wikipedia.org/wiki/Windows_Media_Audio |
| MIME type | audio/x-ms-wma |
| Developer | Microsoft Corporation |
WMA (Windows Media Audio) is a proprietary audio codec family developed by Microsoft, first released in 1999 as a competitor to MP3. The WMA format comprises four variants: Standard (lossy, general purpose), Lossless (WMA Lossless, for archiving), Pro (high-resolution multichannel audio), and Voice (optimized for low-bitrate speech). At equivalent bitrates, WMA Standard offers quality comparable to MP3. WMA is natively supported by Windows Media Player and Xbox consoles, and plays on most modern media players including VLC and foobar2000. While its popularity has declined with the rise of AAC and streaming services, WMA files remain common in legacy Windows environments.
FAQ
How to convert WMA to SPX?
Upload your WMA file, select SPX as the output format, and click Convert. The converted file will be ready to download in seconds — no account or installation required.
How long does it take to convert WMA to SPX?
Most WMA files convert in seconds. Larger files may take up to a few minutes depending on size and internet speed. You can track the progress bar in real time during conversion.
Is it safe to convert WMA files online?
Yes. All uploaded WMA files and converted SPX results are automatically deleted from our servers within 1 hour after conversion. We do not store, share, or access your files.
Can I convert WMA on iPhone or Android?
Yes, our converter works on all devices and operating systems — iPhone, iPad, Android, Windows, and macOS. Open the site in your mobile browser, upload the WMA file and convert to SPX without installing any app.
