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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.
CUR at a glance
CUR
These formats reflect how desktop operating systems built their own graphics-resource conventions for cursors, icons, and device-independent drawing.
Format comparison
| Feature | FB2 | CUR |
|---|---|---|
| File type | Ebook | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 2004 | 1990 |
| Inventor | Russian eBook community | Microsoft / Windows ecosystem |
| 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 CUR.
- FB2 is commonly used in ebook workflows.
When to use CUR
- Your target workflow expects CUR.
- Improve delivery compatibility with CUR.
- CUR is commonly used in image workflows.
FAQs
Why convert FB2 to CUR?
Convert to CUR when preparing or preserving cursor assets for Windows applications, themes, or interface restoration.
It is useful when pointer hotspot behavior must survive alongside the bitmap itself.
What changes when converting FB2 to CUR?
This conversion changes how the format behaves in downstream tools and delivery environments.
What should I review after converting FB2 to CUR?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.