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MIFF at a glance
MIFF
Convert to MIFF when ImageMagick or a related processing stack is the main consumer and you want a tool-native working format.
It is useful as an intermediate in automated imaging pipelines.
ARI at a glance
ARI
Convert to ARI when maintaining compatibility with ARRI-originated raw image workflows or preserving frame data for grading and finishing.
It is appropriate for professional capture archives and controlled post-production pipelines.
Format comparison
| Feature | MIFF | ARI |
|---|---|---|
| File type | Image | Image |
| Extensions |
|
|
| MIME type |
|
|
| Compression / quality | depends | raw |
| File size characteristics | medium | large |
| Compatibility | broad | limited |
| Editability | moderate | high |
| Created year | 1990 | 2010 |
| Inventor | ImageMagick | ARRI (Arnold & Richter) |
| Status | proprietary | proprietary |
| Transparency | Not supported | Not supported |
| Animation | Not supported | Not supported |
| Primary use cases |
|
|
| Common software |
|
|
| Archival suitability | moderate | strong |
| Metadata handling | moderate | rich |
| Delivery profile | strong | limited |
| Workflow fit | delivery | source |
| Layer support | Not supported | Not supported |
| Vector scaling | Not supported | Not supported |
| Camera raw data | Not supported | Supported |
| HDR support | Not supported | Not supported |
| Streaming ready | Not supported | Not supported |
When to use each format
When to use MIFF
- capture ingest
- editing
- web or print delivery
- Native fit for ImageMagick-style processing pipelines.
When to use ARI
- capture ingest
- editing
- web or print delivery
- Preserve capture-stage image data for later interpretation.
FAQs
Why convert MIFF to ARI?
Convert to ARI when maintaining compatibility with ARRI-originated raw image workflows or preserving frame data for grading and finishing.
It is appropriate for professional capture archives and controlled post-production pipelines.
What changes when converting MIFF to ARI?
This conversion changes how the format behaves in downstream tools and delivery environments.
Size profile changes from medium in MIFF to large in ARI. Quality profile changes from depends in MIFF to raw in ARI. Editability profile changes from moderate in MIFF to high in ARI. Compatibility profile changes from broad in MIFF to limited in ARI. Archival profile changes from moderate in MIFF to strong in ARI. Metadata profile changes from moderate in MIFF to rich in ARI. Delivery profile changes from strong in MIFF to limited in ARI. Workflow profile changes from delivery in MIFF to source in ARI.
Moving to ARI adds camera raw data.
What should I review after converting MIFF to ARI?
Check the exported file for Many are vendor-specific and poorly documented publicly.; Compatibility often depends on decoder support in tools such as LibRaw, Adobe Camera Raw, or vendor software.; They are source formats, not publication-ready outputs..