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FB2 at a glance
FB2
FB2 became especially visible in Eastern European ebook ecosystems, where community standards and open library habits shaped ebook distribution differently from Kindle or EPUB-first markets.
WBMP at a glance
WBMP
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 | FB2 | WBMP |
|---|---|---|
| File type | Ebook | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 2004 | 1998 |
| Inventor | Russian eBook community | WAP Forum (now Open Mobile Alliance) |
| Status | active | legacy |
| Primary use cases |
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When to use each format
When to use FB2
- Your source file is already in FB2.
- Preserve source expectations before exporting to WBMP.
- FB2 is commonly used in ebook workflows.
When to use WBMP
- Your target workflow expects WBMP.
- Improve delivery compatibility with WBMP.
- WBMP is commonly used in image workflows.
FAQs
Why convert FB2 to WBMP?
Convert to WBMP only when supporting legacy mobile-device graphics or preserving assets from early wireless UI systems.
In modern workflows it is mainly a recovery and compatibility target.
What changes when converting FB2 to WBMP?
This conversion changes how the format behaves in downstream tools and delivery environments.
What should I review after converting FB2 to WBMP?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.