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.
CAP at a glance
CAP
Digital photography fragmented into many manufacturer-specific raw formats because camera makers optimized for their own sensors, metadata, and software ecosystems rather than for one shared public raw standard.
Format comparison
| Feature | FB2 | CAP |
|---|---|---|
| File type | Ebook | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 2004 | 2005 |
| Inventor | Russian eBook community | Phase One |
| 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 CAP.
- FB2 is commonly used in ebook workflows.
When to use CAP
- Your target workflow expects CAP.
- Improve delivery compatibility with CAP.
- CAP is commonly used in image workflows.
FAQs
Why convert FB2 to CAP?
Convert to CAP when keeping compatibility with a legacy capture workflow or preserving source material from a proprietary imaging system.
It is mainly useful in archive recovery and controlled migration scenarios.
What changes when converting FB2 to CAP?
This conversion changes how the format behaves in downstream tools and delivery environments.
What should I review after converting FB2 to CAP?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.