SWF to AU Converter
Extract Sun/NeXT AU audio from Flash SWF content
Flash to Unix Audio
Extract audio from SWF Flash files and wrap it in the AU format — native to Sun/Unix systems and Java applications.
Unix Compatibility
AU is the standard audio format on Unix platforms. Your converted SWF audio integrates seamlessly with Unix audio tools.
Online Conversion
No Unix tools or Flash software needed locally. Our servers decode the SWF and produce the AU file for you.
How to convert SWF to AU
Select files from Computer, Google Drive, Dropbox, URL or by dragging it on the page.
Choose au or any other format you need as a result (more than 200 formats supported)
Let the file convert and you can download your au file right afterwards
About formats
Frequently Asked Questions
AU is the standard audio format for Sun and Unix systems. It is also used in Java applications and early web audio embedding.
VLC, Audacity, and native Unix/Linux audio players handle AU files. Java-based applications often use AU for sound playback.
AU has broad support on Unix-like systems and in Java environments. For general cross-platform use, WAV or MP3 are more common.
AU supports several encodings including mu-law, A-law, and linear PCM. The default mu-law is efficient for voice content.
No. Everything is processed on our servers. You upload the SWF and receive the AU file through your browser.