Free Online AU to AAC Converter

Convert AU files to AAC online for free
AU
AAC

AU

Sun Microsystems AU files

AU is a file extension for a sound file format belonging to Sun, NeXT and DEC and used in UNIX. The AU file format is also known as the Sparc-audio or u-law fomat. AU files contain three parts: the audio data and text for a header (containing 24 bytes) and an annotation block.

AAC

Advanced Audio Coding

This format was originally created as an alternative to mp3. The idea was to achieve a small file size with better sound quality. The first versions weren’t quite successful, but with the development of AAC, it became possible to store sound with less loss of quality, and with the same file sizes as that of mp3.
How to Convert AU to AAC

Step 1: Upload Files

Click the upload button or drag and drop your files into the upload area. We support various file formats for conversion.

Step 2: Select Format

Choose your desired output format from the available options. The conversion will be automatically configured for optimal results.

Step 3: Download

Once the conversion is complete, your converted files will be ready for download. Click the download button to save your files.

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