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AUDIO
ARW to AU Converter — Free, Online, No Signup
Convert ARW files to AU online with no signup required.
ARW at a glance
ARW
As Sony expanded from consumer electronics into serious camera bodies and sensors, ARW became part of the broader shift that put Sony raw support on the critical path for many photo applications.
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 | ARW | AU |
|---|---|---|
| File type | Image | Audio |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 2006 | 1987 |
| Inventor | Sony | Sun Microsystems |
| Status | proprietary | active |
| Primary use cases |
|
|
| HDR support | Not supported | Not supported |
| Streaming ready | Not supported | Not supported |
When to use each format
When to use ARW
- Your source file is already in ARW.
- Preserve source expectations before exporting to AU.
- ARW is commonly used in image 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 ARW 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 ARW to AU?
This conversion changes how the format behaves in downstream tools and delivery environments.
What should I review after converting ARW to AU?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.