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ARW at a glance
ARW
As Sony expanded from consumer electronics into serious camera bodies and sensors, ARW became part of the broader shift that put Sony raw support on the critical path for many photo applications.
MOBI at a glance
MOBI
MOBI came from the Mobipocket ecosystem before Amazon's Kindle platform made related Kindle-family formats more famous at consumer scale.
Format comparison
| Feature | ARW | MOBI |
|---|---|---|
| File type | Image | Ebook |
| Extensions |
|
|
| MIME type |
|
|
| Compression / quality | raw | reflowable |
| File size characteristics | large | small |
| Compatibility | limited | moderate |
| Editability | high | moderate |
| Created year | 2006 | 2000 |
| Inventor | Sony | Mobipocket |
| Status | proprietary | active |
| Primary use cases |
|
|
| Common software |
|
|
| Archival suitability | strong | moderate |
| Metadata handling | rich | moderate |
| Delivery profile | limited | strong |
| Workflow fit | source | reading |
When to use each format
When to use ARW
- capture ingest
- editing
- web or print delivery
- Preserve capture-stage sensor information.
When to use MOBI
- ebook publishing
- reader distribution
- digital libraries
- Historically important in early ebook delivery.
FAQs
Why convert ARW to MOBI?
Choose MOBI as target when the destination involves older Kindle-compatible devices, legacy ebook libraries, or compatibility requirements tied to older handheld readers.
What changes when converting ARW to MOBI?
Convert to MOBI when the destination involves older Kindle-compatible devices, legacy ebook libraries, or compatibility requirements tied to older handheld readers. It is useful as a bridge format during migration. For new general-purpose ebook publishing, EPUB or newer Kindle-targeted formats are usually better.
What should I review after converting ARW to MOBI?
After conversion, review these destination checks: Open converted output in older Kindle workflows and verify behavior on real samples; Compare output against the expected reflowable quality profile; Amazon no longer accepts MOBI for new KDP uploads.
How can I keep quality stable in ARW to MOBI conversion?
Run representative samples, keep settings deterministic, and monitor these risks: Modern open publishing workflows usually prefer EPUB or newer Kindle-oriented formats; Amazon no longer accepts MOBI for new KDP uploads; Validate destination compatibility before large-batch conversion.