OPUS→AUConverter
Convert your OPUS files to AU format instantly. Free, fast, and secure - your files never leave your browser.
↔ Convert AU to OPUS insteadDrop file or click to browse
Max 100MB • Auto-deletes after 3 min
How to Convert OPUS to AU
Upload Your File
Drag & drop your OPUS file or click to browse. Files up to 100MB are supported.
Convert
Click "Convert to AU" and wait a few seconds for processing.
Download
Download your converted AU file instantly. No registration needed.
Why Convert OPUS to AU?
Converting OPUS to AU helps ensure compatibility with your preferred audio player, editing software, or streaming platform.
About OPUS and AU
What is OPUS?
Opus is a modern, open-source audio codec designed for interactive real-time applications. It offers the best audio quality at low bitrates of any codec and is used by Discord, WhatsApp, and WebRTC.
What is AU?
AU (.au) is a widely-used audio format. ModConvert supports converting AU files to 16 different formats including MP3, WAV, FLAC, OGG and more.
Frequently Asked Questions
How do I convert OPUS to AU?
Upload your OPUS file using the converter above, then click "Convert". Your file will be processed and you can download the converted AU file immediately. The entire process takes just seconds.
Is it free to convert OPUS to AU?
Yes, ModConvert is completely free to use. There are no hidden charges, no registration required, and no watermarks on your converted files.
Is my OPUS file safe when converting?
Absolutely. Your files are processed securely and are never stored permanently on our servers. Files are automatically cleaned up after conversion to protect your privacy.
What is the maximum file size for OPUS to AU conversion?
You can convert OPUS files up to 100MB in size. This covers most common use cases for audio files.
Can I convert multiple OPUS files at once?
Yes, you can upload and convert multiple OPUS files. Each file will be converted to AU format individually for the best quality results.