Convert anything, at global scale.
200+ formats and automation APIs that feels instant.
CONVERT
From
To
Drop files or choose a source
Upload multiple files at once, mix formats, and fine-tune every conversion with format-aware settings.
Max 2GB per file · Drag & drop ready · Mixed file types welcome
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.
CRW at a glance
CRW
Early Canon digital-camera workflows used raw formats like CRW before the later EOS raw families stabilized around CR2 and then CR3.
Format comparison
| Feature | FB2 | CRW |
|---|---|---|
| File type | Ebook | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 2004 | 2000 |
| Inventor | Russian eBook community | Canon |
| Status | active | proprietary |
| Primary use cases |
|
|
When to use each format
When to use FB2
- Your source file is already in FB2.
- Preserve source expectations before exporting to CRW.
- FB2 is commonly used in ebook workflows.
When to use CRW
- Your target workflow expects CRW.
- Improve delivery compatibility with CRW.
- CRW is commonly used in image workflows.
FAQs
Why convert FB2 to CRW?
Convert to CRW when maintaining compatibility with older Canon raw libraries or recovering historical camera originals.
In most current workflows it is a source to preserve or migrate, not a preferred new output format.
What changes when converting FB2 to CRW?
This conversion changes how the format behaves in downstream tools and delivery environments.
What should I review after converting FB2 to CRW?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.