OPUS to AU Converter — Free Online

Free online OPUS to AU converter — quickly transform your audio files without registration or software installation. Our service lets you convert opus to au in just a few clicks. Conversion happens right in your browser — files are never uploaded to a server and stay on your device. AU is a classic Unix/Sun format. Widely supported in scientific and professional software. Try our opus to au converter right now!

🔄 How OPUS to AU Converter Works

Our free opus converter quickly produces AU files. Upload source files, choose settings, and click "Convert".

Batch conversion saves time — process multiple files in one session. Flexible bitrate settings help balance quality and size.

OPUS to AU online — no software installation. Open the site on any device with a browser and start converting now.

🎯 Problems This Converter Solves

Device can't play OPUS?

Some players don't support OPUS. Conversion will solve the problem.

💡 Common Uses for AU

📁 Convert to AU format

🔄 Change audio format

📱 Device compatibility

💾 Optimize file size

✨ Our Converter Advantages

⚡ Rapid Conversion

No waiting — results delivered immediately

📦 Bulk Processing

Save time by converting in batches

💻 All Platforms

Windows, Mac, Linux, iOS, Android — everywhere

🔒 Secure Handling

Your data stays private — no storage

🎵 Flexible Settings

Choose quality, bitrate, and other parameters

💰 No Payment

All features available free without an account

📊 Format Comparison

OPUS Compact format

Modern codec. Best for voice and streaming.

AU High quality

Sun Audio. Classic Unix format for software.

❓ Frequently Asked Questions

How to convert OPUS to AU?

Upload your OPUS file, select AU as output format, and click Convert. Your file will be ready in seconds.

Is OPUS to AU conversion free?

Yes, conversion is completely free. No registration required, no hidden fees.

Does converting OPUS to AU affect quality?

Converting lossy to lossless won't improve quality as data was already compressed. File size will increase though.

Can I convert multiple OPUS files at once?

Yes, our converter supports batch processing of up to 10 files at once right in your browser.

What's the maximum file size?

For browser processing — up to 100 MB per file. Files never leave your device.

Where does conversion happen?

OPUS to AU conversion happens right in your browser. Files are never uploaded to a server — maximum privacy.

📝 How to Convert OPUS to AU

1

Upload File

Drag & drop OPUS files or click "Choose Files"

2

Adjust Settings

Choose quality, bitrate and other options

3

Convert

Click "Convert" and wait for processing

4

Download Result

Download your AU files