AU→MP3Converter
Convert your AU files to MP3 format instantly. Free, fast, and secure - your files never leave your browser.
↔ Convert MP3 to AU insteadDrop file or click to browse
Max 100MB • Auto-deletes after 3 min
How to Convert AU to MP3
Upload Your File
Drag & drop your AU file or click to browse. Files up to 100MB are supported.
Convert
Click "Convert to MP3" and wait a few seconds for processing.
Download
Download your converted MP3 file instantly. No registration needed.
Why Convert AU to MP3?
Converting AU to MP3 ensures maximum compatibility across all devices, music players, and streaming platforms worldwide.
About AU and MP3
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.
What is MP3?
MP3 (MPEG Audio Layer III) is the world's most popular audio format, offering good quality at small file sizes with universal device and software compatibility.
Frequently Asked Questions
How do I convert AU to MP3?
Upload your AU file using the converter above, then click "Convert". Your file will be processed and you can download the converted MP3 file immediately. The entire process takes just seconds.
Is it free to convert AU to MP3?
Yes, ModConvert is completely free to use. There are no hidden charges, no registration required, and no watermarks on your converted files.
Is my AU 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 AU to MP3 conversion?
You can convert AU files up to 100MB in size. This covers most common use cases for audio files.
Can I convert multiple AU files at once?
Yes, you can upload and convert multiple AU files. Each file will be converted to MP3 format individually for the best quality results.