Online AU to OPUS 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 AU to OPUS?

Step 1: Choose Your Audio

Upload your AU audio file by dragging and dropping it into the upload area or by clicking 'Browse' to select it from your device.

Step 2: Define Output Settings

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

Step 3: Begin Conversion

Initiate the conversion by clicking on the 'Convert' button to transform your AU audio into OPUS format.

Step 4: Save the Audio

Once the conversion is finished, click the 'Download' button to save the converted OPUS audio file to your device.

Step 5: Convert Again

To convert another AU file to OPUS, click on the 'Convert Another' button and repeat the process.

AU to OPUS Conversion FAQs

1. What happens when I convert AU to OPUS?

The conversion from AU to OPUS is efficient and reliable. Simply upload your AU file, and our tool will convert it to OPUS in a matter of seconds.

2. Is it simple to upload AU files for conversion?

Drag AU files into the upload area or use 'Browse' to select. The upload process is intuitive, and you can easily add your AU files for conversion to OPUS.

3. How do I download the converted OPUS file?

Click the Download button to save the OPUS file to your computer. The download link will be accessible once the conversion is finished, enabling you to save the OPUS file.

4. How many AU files can I convert to OPUS at the same time?

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

5. How can I initiate a new AU to OPUS conversion?

Use the 'Convert Another' button or file uploader for additional conversions. This option makes it easy to begin another AU to OPUS conversion after completing one.

6. What ensures the security of AU to OPUS conversions?

Your files are secure as the conversion is performed on the client side. The AU to OPUS conversion ensures that your data is not exposed to any external servers.

7. What quality can I expect from converted OPUS files?

Converted OPUS files maintain high quality. Our tool is optimized to ensure that your AU files are converted to OPUS without any loss of quality.

8. Are there any size limitations for AU files?

Ensure your AU files are under 25MB for conversion. This size limit helps maintain the efficiency and speed of the conversion process, ensuring you get your OPUS file promptly.

9. How much time does it take to convert AU files?

Conversion time varies by file size and internet speed, but it's generally quick. Our tool is designed to provide fast conversions, ensuring you get your OPUS file without any delays.

10. What should I do if I have trouble converting AU to OPUS?

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 AU to OPUS conversion process.