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AUDIO
HDR to CAF Converter — Free, Online, No Signup
Convert HDR files to CAF online with no signup required.
HDR at a glance
HDR
HDR raster formats became important in rendering and lighting workflows before consumer-facing HDR delivery stories matured in mainstream media formats.
CAF at a glance
CAF
CAF reflects Apple's effort to modernize audio packaging for pro and system workflows inside its own platform stack.
Format comparison
| Feature | HDR | CAF |
|---|---|---|
| File type | Image | Audio |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 1989 | 2005 |
| Inventor | Greg Ward | Apple |
| Status | active | active |
| Primary use cases |
|
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| HDR support | Supported | Not supported |
| Streaming ready | Not supported | Not supported |
When to use each format
When to use HDR
- Your source file is already in HDR.
- Preserve source expectations before exporting to CAF.
- HDR is commonly used in image 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 HDR to CAF?
Convert to CAF when working inside Apple audio pipelines, especially for long recordings, app assets, sound libraries, or technical workflows that benefit from Core Audio compatibility.
It is a good target when AIFF or WAV limitations are inconvenient but Apple tooling is the primary consumer.
For general exchange, WAV, AIFF, or M4A are usually easier handoff formats.
What changes when converting HDR to CAF?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to CAF removes HDR content.
What should I review after converting HDR to CAF?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.