1. Click "Choose Files" button and select your SPX files you would like converted.
2. Click on the “Convert to AU” button to start the conversion.
3. When the status change to “Done” click the “Download AU” button
To convert in the opposite direction, click here to convert from AU to SPX
An SPX file is a compressed audio file in Ogg Vorbis container format using Speex as its codec. Speex is an open source patent-free audio compression format specifically tailored for speech - similar to MP3, yet boasting additional features such as embedded encoding and intensity stereo encoding that set it apart. The SPX file extension is commonly associated with Mac ...
What is an AU audio file? An AU (Sun Audio) file was originally developed by Sun Microsystems for use with their Sun Operating System and became widely popular as it became widely adopted across platforms and browsers such as SPARC, NeXT computer workstations, early websites, Unix-based platforms and Java systems. At first these files only stored representations of their native ...
Upload a SPX file, click "Convert", and use additional options to quickly modify its contents before downloading the final AU file after processing has completed.
Our SPX to AU converter works on Windows, Mac OS, Linux, iOS and Android systems alike - our servers automatically process each file without requiring you to install plug-ins or applications!
We guarantee 100%% of the privacy and have no access to your files once uploaded/converted, making them inaccessible by anyone and completely protecting them.
