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Why convert WEBM to AU?
Fast
Your file is converted in under 30 seconds in our cloud.
Secure
Files are automatically deleted after 1 hour.
Quality preserved
Maximum quality preserved during conversion.
About the WEBM format
WebM — Web Media
WebM is an open, royalty-free video format developed by Google for web video. It is the standard format for HTML5 video, using VP8/VP9 or AV1 video with Vorbis/OPUS audio, providing excellent streaming performance.
Common uses
- HTML5 web video
- Browser-based video streaming
- YouTube alternative encoding
- WebRTC video calls
About the AU format
AU — Sun Microsystems Audio Format
AU is a simple audio format developed by Sun Microsystems and used in Unix/Linux environments. It supports multiple audio encodings and was commonly used in Java applications and Unix systems.
Common uses
- Legacy Unix/Linux audio files
- Java audio applications
- System sounds
- Old internet audio clips
Related conversions
Other conversions available for WEBM and AU files
Frequently asked questions
How do I convert WEBM to AU?
Upload your WEBM file above, choose AU as the output format, then click Convert. Your AU file is ready to download in seconds — nothing to install, and it works in your browser.
Is the conversion free?
Yes, basic conversion is completely free. For large volumes, check out our paid plans.
What is the maximum file size?
Free accounts can convert files up to 25 MB. Pro accounts up to 100 MB.
How long are my files kept?
Files are automatically deleted after 1 hour on the free plan, 24 hours on Pro.
What formats are supported?
We support over 200 source and target formats. See our complete formats page.
Remove ads and get unlimited conversions by creating a free account.