Online FLAC to AU Audio Converter

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What is a FLAC File?

FLAC, standing for Free Lossless Audio Codec, is an open-source audio format that offers lossless compression of digital audio. It aims to provide high-quality audio with reduced file sizes compared to uncompressed formats.

Key Advantages of FLAC Files:

Lossless Compression: FLAC files retain the full quality of the original audio source, making them indistinguishable from the source material.

High Fidelity: Suitable for audiophiles and professionals due to its ability to preserve nuances and details in music and audio recordings.

Metadata Support: FLAC supports embedding extensive metadata, enhancing organizational capabilities for music libraries.

Limitations of FLAC Files:

File Size: Although smaller than uncompressed formats like WAV, FLAC files are still larger than lossy formats like MP3, which may affect storage and distribution.

Hardware and Software Support: While FLAC is widely supported, compatibility might be limited on some older or less common devices.


FLAC is favored by audio enthusiasts and professionals seeking uncompromised audio quality and efficient compression, suitable for archiving and high-fidelity playback.

How to Convert FLAC to AU?

Step 1: Upload Audio File

To upload your FLAC audio, simply drag and drop it into the upload area or click 'Browse' to find the file on your device.

Step 2: Set Conversion Parameters

Choose the desired settings for your AU audio, including bitrate, sample rate, and other preferences.

Step 3: Start the Conversion

Press the 'Convert' button to transform your FLAC audio into AU format.

Step 4: Download Converted File

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

Step 5: Repeat Conversion

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

FLAC to AU Conversion FAQs

1. What steps are involved in converting FLAC to AU?

Experience hassle-free FLAC to AU conversion with us. Upload your FLAC file, and our tool will convert it to AU with ease.

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

Choose your FLAC files for upload by dragging or browsing. The upload interface is intuitive and easy to use, enabling you to start converting your FLAC files to AU effortlessly.

3. How do I access the converted AU file?

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 FLAC files I can convert to AU?

Batch conversion of FLAC to AU is supported and easy to do. You can upload and convert multiple FLAC files to AU at once, ensuring a seamless conversion process.

5. What do I do to convert another FLAC file?

Start another conversion by clicking 'Convert Another' or uploading a file. This feature helps you to initiate a new FLAC to AU conversion effortlessly.

6. Are FLAC files securely converted to AU?

We protect your files by using a secure, client-side conversion process. Your FLAC files are handled locally, ensuring that they are not exposed to any external threats.

7. What should I expect regarding the quality of AU files?

The conversion process ensures high-quality output for all AU files. Our tool is designed to maintain the integrity and quality of your FLAC files when converting to AU.

8. What are the file size limitations for FLAC to AU conversion?

The maximum file size for conversion is 25MB. This size limit helps maintain the efficiency and speed of the conversion process, ensuring you get your AU file promptly.

9. Does converting FLAC to AU take a long time?

Typically, conversion is fast, influenced by file size and connection speed. Our tool is designed to provide quick conversions, ensuring you get your AU file without any delays.

10. How do I get help with FLAC to AU conversion difficulties?

We're here to help! Contact support via the 'Contact Us' page. Our team is ready to assist you with any problems or questions regarding the FLAC to AU conversion.