Is it free to convert between OPUS and WMA?

Yes, Convert999 is 100% free. All conversions happen locally in your browser with no file size limits, no registration, and no watermarks.

.opus

.wma

OPUS vs WMA

Compare Opus Audio and Windows Media Audio formats — understand the key differences and when to use each

Format Overview

OPUS

Opus Audio

Opus Audio (.opus) is a audio file format.

.opusaudio

WMA

Windows Media Audio

Windows Media Audio (.wma) is a audio file format.

.wmaaudio

OPUS vs WMA: Feature Comparison

Feature	OPUS	WMA
Full Name	Opus Audio	Windows Media Audio
File Extension	.opus	.wma
Category	audio	audio
Free to Convert	✓ Yes	✓ Yes
Browser Support	✓ All Browsers	✓ All Browsers
Convert to Each Other	✓ Yes	✓ Yes

When to Use OPUS vs WMA

Use OPUS when you need:

•Files in Opus Audio format for maximum compatibility
•Industry-standard audio format support
•Wide software and platform compatibility

Use WMA when you need:

•Files in Windows Media Audio format for specific workflows
•Optimized audio format features
•Modern format advantages and smaller file sizes

Convert Between Them

OPUS WMA WMA OPUS

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Frequently Asked Questions

What is the difference between OPUS and WMA?

OPUS (Opus Audio) and WMA (Windows Media Audio) are both audio file formats. OPUS files use the .opus extension while WMA uses .wma. They differ in compression, quality, compatibility, and intended use cases.

Can I convert OPUS to WMA for free?

Yes! Convert999 lets you convert OPUS to WMA completely free, directly in your browser. No file upload to any server, no registration needed — your files stay private on your device.

Which is better, OPUS or WMA?

It depends on your use case. OPUS (Opus Audio) may be better for certain workflows, while WMA (Windows Media Audio) excels in others. Consider factors like file size, quality, software compatibility, and your specific needs.

Is it safe to convert files on Convert999?

Absolutely. Convert999 processes all files 100% locally in your browser. Your files are never uploaded to any server, ensuring complete privacy and security.

OPUS Converter

Convert from OPUS

WMA Converter

Convert from WMA

File Tools

Compress, resize, merge

Convert to OPUS

All sources → OPUS

Convert to WMA

All sources → WMA

Format Statistics

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