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Convert M4V to AU
Convert M4V to AU format — 100% browser-based, no upload required.
2 cores · low tier
Drop a file here or click to select
Format will be auto-detected
About these formats
Source
M4V
MPEG-4 Video (iTunes)Apple's variant of MP4 used by iTunes/Apple TV. Supports DRM protection and is essentially identical to MP4 for unprotected content.
Best for
iTunes contentApple TViOS devicesApple ecosystem
Advantages
- + Same as MP4 quality
- + Apple ecosystem integration
- + H.264 support
Limitations
- − Apple-centric
- − Possible DRM
- − Essentially renamed MP4
Target
AU
Sun/NeXT AudioSimple audio format from Sun Microsystems. Originally used in Unix systems and Java audio. Typically stores µ-law compressed audio.
Best for
Unix/Java audioLegacy systemsSimple audio storage
Advantages
- + Simple format
- + Java support
- + Compact for telephony
Limitations
- − Outdated
- − Low quality
- − Limited use