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AUDIO

AU to CAF Converter — Free, Online, No Signup

Convert AU files to CAF online with no signup required.

Reverse conversion

AU at a glance

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CAF at a glance

CAF

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Format comparison

Feature	AU	CAF
File type	Audio	Audio
Status	active	active
Primary use cases	capture ingest editing and mastering streaming or playback delivery	capture ingest editing and mastering streaming or playback delivery
Multitrack support	Not supported	Not supported
HDR support	Not supported	Not supported
Streaming ready	Not supported	Not supported

When to use each format

When to use AU

Your source file is already in AU.
Preserve source expectations before exporting to CAF.
AU is commonly used in audio workflows.

When to use CAF

Your target workflow expects CAF.
Improve delivery compatibility with CAF.
CAF is commonly used in audio workflows.

FAQs

Why convert AU to CAF?

This conversion is usually chosen when CAF fits downstream audio delivery better.

What changes when converting AU to CAF?

This conversion changes how the format behaves in downstream tools and delivery environments.

What should I review after converting AU to CAF?

Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.

Format resources

AU CAF