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Why convert M4V 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 M4V format
M4V — iTunes Video Format
M4V is Apple's video format used by iTunes and the Apple TV App. It is nearly identical to MP4 but can include Apple's FairPlay DRM for purchased movies and TV shows from the iTunes Store.
Common uses
- iTunes purchased movies and TV shows
- Apple TV content
- iCloud video storage
- Apple ecosystem video
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 M4V and AU files
Frequently asked questions
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.