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AUDIO
WMF to AU Converter — Free, Online, No Signup
Convert WMF files to AU online with no signup required.
WMF at a glance
WMF
Convert to WMF when preserving compatibility with older Windows document workflows, embedded legacy graphics, or archive recovery tasks where that classic metafile format is still expected.
It is useful as a bridge for historical Office-era vector assets.
For contemporary vector exchange, EMF, SVG, or PDF are usually more practical.
AU at a glance
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.
Format comparison
| Feature | WMF | AU |
|---|---|---|
| File type | Vector | Audio |
| Extensions |
|
|
| MIME type |
|
|
| Compression / quality | scalable | depends |
| File size characteristics | small | medium |
| Compatibility | moderate | broad |
| Editability | high | limited |
| Created year | 1990 | 1987 |
| Inventor | Microsoft Corporation | Sun Microsystems |
| Status | legacy | active |
| Primary use cases |
|
|
| Common software |
|
|
| Archival suitability | good | moderate |
| Metadata handling | moderate | moderate |
| Delivery profile | strong | strong |
| Workflow fit | design | delivery |
When to use each format
When to use WMF
- illustration
- diagramming
- brand asset delivery
- Universal recognition in Windows applications.
When to use AU
- capture ingest
- editing and mastering
- streaming or playback delivery
- Historically important in Unix/workstation audio.
FAQs
Why convert WMF 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 WMF to AU?
This conversion changes how the format behaves in downstream tools and delivery environments.
Size profile changes from small in WMF to medium in AU. Quality profile changes from scalable in WMF to depends in AU. Editability profile changes from high in WMF to limited in AU. Compatibility profile changes from moderate in WMF to broad in AU. Archival profile changes from good in WMF to moderate in AU. Workflow profile changes from design in WMF to delivery in AU.
What should I review after converting WMF to AU?
Check the exported file for Largely obsolete in mainstream media workflows.; Usually converted immediately into newer formats..