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AVIF at a glance
AVIF
AVIF emerged from the Alliance for Open Media's work around AV1 and uses the HEIF family as its structural container, which connects it to both modern web delivery and newer image-container design.
K25 at a glance
K25
Digital photography fragmented into many manufacturer-specific raw formats because camera makers optimized for their own sensors, metadata, and software ecosystems rather than for one shared public raw standard.
Format comparison
| Feature | AVIF | K25 |
|---|---|---|
| File type | Image | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 2019 | 2001 |
| Inventor | Alliance for Open Media | Kodak |
| Status | active | proprietary |
| Transparency | Not supported | Not supported |
| Animation | Supported | Not supported |
| Primary use cases |
|
|
| Layer support | Not supported | Not supported |
| Vector scaling | Not supported | Not supported |
| Camera raw data | Not supported | Supported |
| HDR support | Supported | Not supported |
| Streaming ready | Not supported | Not supported |
When to use each format
When to use AVIF
- Your source file is already in AVIF.
- Preserve source expectations before exporting to K25.
- AVIF is commonly used in image workflows.
When to use K25
- Your target workflow expects K25.
- Improve delivery compatibility with K25.
- K25 is commonly used in image workflows.
FAQs
Why convert AVIF to K25?
Convert to K25 when preserving or restoring an older camera-original archive that depends on that raw format.
In current workflows it is mainly a legacy preservation target.
What changes when converting AVIF to K25?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to K25 removes animation support. Moving to K25 adds camera raw data. Moving to K25 removes HDR content.
What should I review after converting AVIF to K25?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.