WMA Won't Open? Convert to VOC Instantly
Fast, instant WMA to VOC conversion. No signup required. Just drop your .wma file and get .voc in seconds.
Batch Settings
还在为WMA音频文件在某些老设备或特定应用上无法播放而烦恼吗？VOC，作为一种历史悠久的音频格式，以其独特的兼容性和简洁性，在某些场景下依然是不可或缺的选择。尤其是在处理一些早期游戏音效、特定工业控制系统语音提示，或是需要极低资源占用的音频流时，将WMA转换为VOC能有效解决兼容性问题，确保您的音频内容在各种平台和设备上顺畅运行。我们的转换工具操作简便，旨在为您提供高效、稳定的格式转换体验，让您的音频文件焕发新生。
- 老旧游戏音效移植
- 嵌入式设备语音通知
- 低带宽网络音频传输
在华语区，VOC格式虽然不常见于日常消费级应用，但在早期的PC游戏（如DOS平台）或一些特定工业、医疗设备中仍有留存，转换需求多源于兼容性考量。
About WMA to VOC Conversion
Dealing with a WMA file that won't open on your device? You're not alone — WMA compatibility issues are one of the most common reasons people search for a file converter. WMA (Windows Media Audio) is Microsoft's audio codec — less common today but still found in legacy collections.
The fix is simple: convert your WMA to VOC. VOC is a widely used file format. This conversion lets you convert between formats quickly, solving the problem in seconds rather than hours of troubleshooting.
Converting WMA to VOC maintains high quality with CocoConvert's optimised encoder settings.
CocoConvert processes your WMA file on secure servers in Germany — upload, convert, download. Your files are encrypted via TLS and automatically deleted within 24 hours. No account needed, no software to install, and it works on any device with a browser.
This conversion is ideal when you When you need a VOC file.
The conversion engine behind CocoConvert uses FFmpeg, Sharp, and qpdf — the same open-source libraries trusted by Netflix, YouTube, and enterprise platforms. Pro users can batch convert up to 100 files at once.
How to Convert WMA to VOC
- 1
Add your WMA file
Drag and drop your .wma file into the converter, or tap "Browse" to pick it from your device. Multiple files are supported for batch processing.
- 2
Pick VOC output
Select .voc as the target format. CocoConvert automatically applies the best quality settings for this conversion.
- 3
Start conversion
Hit the Convert button. The audio engine processes your file server-side — no CPU drain on your device.
- 4
Save your file
Once done, download your .voc file. For batch jobs, download all at once as a zip.
What Happens When You Convert WMA to VOC
Your WMA file is decoded and re-encoded as VOC.
Your WMA file is uploaded and validated
The file is decoded (parsed into its raw data)
The data is re-encoded in VOC format
The converted file is ready for download
Format Comparison
WMA
.wma file
| Extension | .wma |
| MIME Type | audio/x-ms-wma |
| Category | Audio |
VOC
.voc file
| Extension | .voc |
| MIME Type | audio/x-voc |
| Category | Audio |
Should You Convert WMA to VOC?
When to Convert
- ✓When you need a VOC file
Frequently Asked Questions
Why won't my WMA file open?
WMA files may not open if your device lacks the right codec or application. Converting to VOC — a more widely supported format — usually resolves this. VOC is a widely used file format.
Is it safe to convert WMA to VOC online?
Yes. CocoConvert encrypts your file via TLS, processes it on isolated servers in Germany, and permanently deletes it within 24 hours. Your files are never shared or analysed.
Will I lose quality converting WMA to VOC?
Converting WMA to VOC maintains high quality with CocoConvert's optimised encoder settings. CocoConvert uses high-quality encoder defaults to preserve as much fidelity as possible.
How large can my WMA file be?
Free users can convert files up to 250 MB each. Pro users get a 5 GB limit per file, and Business API users have custom limits.
Can I convert WMA to VOC on my phone?
Absolutely. CocoConvert works in any modern browser — iOS Safari, Android Chrome, and all desktop browsers. No app required.
Versions are pinned in our worker Dockerfile and re-built via CI on every change.