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CROSS-FORMAT
MOV to AU Converter — Free, Online, No Signup
Convert MOV files to AU online with no signup required.
MOV at a glance
MOV
Apple's QuickTime file format predates and influenced later MP4-family standards, which is why MOV and MP4 feel related even when they serve somewhat different operational roles.
AU at a glance
AU
AU belongs to an earlier multimedia era where workstation and Unix vendors often had their own practical audio defaults.
Format comparison
| Feature | MOV | AU |
|---|---|---|
| File type | Video | Audio |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 1991 | 1987 |
| Inventor | Apple | Sun Microsystems |
| Status | active | active |
| Primary use cases |
|
|
| Multitrack support | Not supported | Not supported |
| HDR support | Not supported | Not supported |
| Streaming ready | Supported | Not supported |
When to use each format
When to use MOV
- Your source file is already in MOV.
- Preserve source expectations before exporting to AU.
- MOV is commonly used in video workflows.
When to use AU
- Your target workflow expects AU.
- Improve delivery compatibility with AU.
- AU is commonly used in audio workflows.
FAQs
Why convert MOV to AU?
Convert to AU when preserving compatibility with older Unix or workstation software, educational assets, or historical multimedia archives.
In most present-day workflows the practical task is to decode AU content and move it to WAV, AIFF, or a modern compressed format.
Use AU only when downstream compatibility makes it necessary.
What changes when converting MOV to AU?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to AU removes streaming delivery.
What should I review after converting MOV to AU?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.