Free Online AU to M4A Converter
Convert AU files to M4A online for free
AU
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M4A
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.
M4A
Compressed Audio File
This is a lossless-format (and encoding algorithm) for Apple platforms. M4A is widely used in iPod players and as a component in QuickTime media-players. The m4a codecs decoder is found in open sources - this allows third party users to open files in that format.
How to Convert AU to M4A
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.
