How to Convert WMA to SOX — Quick & Free
Fast, instant WMA to SOX conversion. No signup required. Just drop your .wma file and get .sox in seconds.
Batch Settings
About WMA to SOX Conversion
Short answer: yes, you can convert WMA to SOX online for free, and quality is well preserved with the right settings. Just upload your .wma file to CocoConvert, pick SOX as the output, and click Convert. The whole process takes seconds.
Now for the details. WMA (Windows Media Audio) is Microsoft's audio codec — less common today but still found in legacy collections. SOX is a widely used file format. Converting between these two formats lets you convert between formats quickly.
Your WMA file is decoded and re-encoded as SOX. Converting WMA to SOX maintains high quality with CocoConvert's optimised encoder settings.
CocoConvert runs entirely online — no software to install, no account to create. Your files are encrypted during upload (TLS), processed on isolated servers in Germany, and permanently deleted after 24 hours. It works in Chrome, Safari, Firefox, Edge, and all mobile browsers.
Need to convert more than one file? Free users can do 5 per hour. Pro gets 100 per hour with files up to 5 GB each.
How to Convert WMA to SOX
- 1
1. Upload WMA
Drop your .wma file onto the page (or tap "Browse" on mobile). Add multiple files for batch conversion.
- 2
2. Select SOX
Choose .sox from the output dropdown. Settings are pre-configured for best results.
- 3
3. Convert
One click. The server handles all the heavy lifting using FFmpeg and Sharp.
- 4
4. Download
Your .sox file is ready. Download it directly or get all files as a zip archive.
What Happens When You Convert WMA to SOX
Your WMA file is decoded and re-encoded as SOX.
Your WMA file is uploaded and validated
The file is decoded (parsed into its raw data)
The data is re-encoded in SOX format
The converted file is ready for download
Format Comparison
WMA
.wma file
| Extension | .wma |
| MIME Type | audio/x-ms-wma |
| Category | Audio |
SOX
.sox file
| Extension | .sox |
| MIME Type | audio/x-sox |
| Category | Audio |
Should You Convert WMA to SOX?
When to Convert
- ✓When you need a SOX file
Frequently Asked Questions
Is WMA to SOX conversion free?
Yes. CocoConvert offers free WMA to SOX conversion with generous daily limits — 25 minutes of processing time and up to 5 files per hour (250 MB each). Pro plans remove these limits.
How fast is WMA to SOX conversion?
Most files convert in 2–10 seconds depending on size. Large audio files may take 30 seconds. Batch jobs process in parallel for maximum speed.
What happens to my files after conversion?
Your uploaded WMA file and the converted SOX file are both automatically deleted from our servers within 24 hours. They are never shared, sold, or analysed.
Does converting WMA to SOX lose quality?
Converting WMA to SOX maintains high quality with CocoConvert's optimised encoder settings.
Can I convert SOX back to WMA?
Yes, CocoConvert supports SOX to WMA conversion as well. However, if the original conversion involved lossy compression, converting back won't recover the lost data.
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