MP4 to AU Converter
Convert your mp4 files to au online & free
MPEG-4 Part 14
MP4 is an extension defined by MPEG-4 video standard and AAC audio standard. It is a container that supports all kinds of media such as video, audio, subtitles, 2D and 3D graphics. It is possible to open MP4 file with almost any player on Windows but on Mac you should use a plug-in or just convert the file to another format.
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.
How to convert MP4 to AU
Select files from Computer, Google Drive, Dropbox, URL or by dragging it on the page.
Choose "to au"
Choose au or any other format you need as a result (more than 200 formats supported)
Download your au
Let the file convert and you can download your au file right afterwards