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MP4 at a glance
MP4
MP4 grew out of the MPEG-4 and ISO Base Media File Format lineage, which helped make it both standards-based and commercially pervasive.
RAF at a glance
RAF
Fujifilm's digital-camera identity tied raw capture not just to sensor data but also to a brand-specific color and workflow story, which gives RAF a recognizably different practical role from some rival raw families.
Format comparison
| Feature | MP4 | RAF |
|---|---|---|
| File type | Video | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 2001 | 2000 |
| Inventor | ISO/IEC MPEG | Fujifilm |
| Status | active | proprietary |
| Transparency | Not supported | Not supported |
| Animation | Not supported | Not supported |
| Primary use cases |
|
|
| Layer support | Not supported | Not supported |
| Camera raw data | Not supported | Supported |
| HDR support | Not supported | Not supported |
| Streaming ready | Supported | Not supported |
When to use each format
When to use MP4
- Your source file is already in MP4.
- Preserve source expectations before exporting to RAF.
- MP4 is commonly used in video workflows.
When to use RAF
- Your target workflow expects RAF.
- Improve delivery compatibility with RAF.
- RAF is commonly used in image workflows.
FAQs
Why convert MP4 to RAF?
Convert to RAF when preserving Fujifilm camera originals or handing files back into a Fujifilm-oriented raw workflow.
It is appropriate for archive masters and non-destructive photographic editing.
What changes when converting MP4 to RAF?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to RAF adds camera raw data. Moving to RAF removes streaming delivery.
What should I review after converting MP4 to RAF?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.