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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.
XPM at a glance
XPM
Before today's relatively small set of mainstream consumer image formats dominated everyday use, desktop software, workstations, GUI systems, and early graphics tools produced many specialized raster formats with local importance.
Format comparison
| Feature | MOBI | XPM |
|---|---|---|
| File type | Ebook | Image |
| Extensions |
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| MIME type |
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| Created year | 2000 | 1989 |
| Inventor | Mobipocket | Daniel Dardailler, Colas Nahaboo (Groupe Bull) |
| Status | active | legacy |
| Primary use cases |
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When to use each format
When to use MOBI
- Your source file is already in MOBI.
- Preserve source expectations before exporting to XPM.
- MOBI is commonly used in ebook workflows.
When to use XPM
- Your target workflow expects XPM.
- Improve delivery compatibility with XPM.
- XPM is commonly used in image workflows.
FAQs
Why convert MOBI to XPM?
Convert to XPM when maintaining or restoring X11-era icon assets or other historical Unix interface graphics.
It is useful where text-based icon compatibility matters more than modern compression.
What changes when converting MOBI to XPM?
This conversion changes how the format behaves in downstream tools and delivery environments.
What should I review after converting MOBI to XPM?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.