Online OPUS to AU Converter

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What is an Opus File?

Opus is a versatile audio codec standard developed by the IETF. It supports both high-quality lossy and lossless compression, making it suitable for a wide range of applications.

Key Advantages of Opus Files:

High Flexibility: Opus can adapt its compression rate dynamically to suit varying network conditions, making it ideal for real-time applications like VoIP and streaming.

High Quality: Supports both lossy and lossless compression modes, providing excellent sound quality.

Wide Compatibility: Opus is supported by major browsers, communication software, and streaming platforms.

Limitations of Opus Files:

Complexity: Optimizing Opus settings for different applications may require expertise.

Less Familiarity: Despite its advantages, Opus may not be as widely recognized or supported in all software and hardware as some other formats.


Opus is valued for its versatility, high-quality audio, and adaptability to different network conditions, making it suitable for a variety of modern audio applications.

How to Convert OPUS to AU?

Step 1: Load Audio File

Upload your OPUS audio file by dragging it into the upload area or selecting it from your device using the 'Browse' button.

Step 2: Define Output Settings

Select the appropriate settings for your AU audio, including bitrate, sample rate, and other preferences.

Step 3: Convert Audio

Click on the 'Convert' button to start converting your OPUS audio to AU format.

Step 4: Download Your Audio

Once the conversion is complete, click on the 'Download' button to save your new AU audio file to your device.

Step 5: Additional Conversion

Click the 'Convert Another' button to convert another OPUS file to AU.

OPUS to AU Conversion FAQs

1. How does the OPUS to AU conversion work?

Easily transform OPUS files to AU with our tool. Upload your OPUS file, and our conversion process will ensure you get a AU file quickly and efficiently.

2. How do I add OPUS files for converting to AU?

Use the drag-and-drop feature or 'Browse' to upload OPUS files. The upload process is seamless, and you can start converting your OPUS files to AU without any hassle.

3. Is downloading the AU file simple?

Download the converted AU file by clicking the appropriate link. The download process is simple, and you can access your AU file immediately after conversion.

4. Is there a limit to the number of OPUS files I can convert to AU?

You can convert several OPUS files to AU consecutively without restrictions. The tool allows you to add multiple OPUS files for conversion to AU, making it efficient for batch processing.

5. Is there an option to convert additional OPUS files?

Start a new conversion by using the 'Convert Another' option or file uploader. This allows you to begin another OPUS to AU conversion right after one is complete.

6. Are my OPUS files safe during the AU conversion?

Security is guaranteed as the conversion happens entirely on the client side. Your OPUS files are processed without being uploaded, maintaining the highest level of security.

7. How is the quality maintained in converted AU files?

Expect high-quality results from your OPUS to AU conversions. Our tool ensures that the converted AU files maintain the same quality as the original OPUS files.

8. What is the maximum size for OPUS files?

The size limit for OPUS files is 25MB. This limit ensures that the conversion process is fast and efficient, providing you with a AU file without any delays.

9. What is the expected time for OPUS to AU conversion?

Conversion speed is high, but file size and internet speed can influence it. Our tool is designed to provide fast conversions, ensuring you get your AU file without any delays.

10. Where can I get help if I encounter issues with OPUS to AU conversion?

Visit the 'Contact Us' page to get help from our support team. We are available to assist you with any issues or questions about the OPUS to AU conversion process.