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DJVU at a glance
DJVU
DjVu became known in digitization and scanned-document communities as an alternative to PDF for certain image-centric archival and distribution tasks.
ICB at a glance
ICB
The Truevision line grew out of EPICenter-era PC graphics boards, and several board names ended up surviving as filename extensions even when the underlying raster structure stayed close to the wider TGA family.
Format comparison
| Feature | DJVU | ICB |
|---|---|---|
| File type | Document | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 1998 | 1991 |
| Inventor | AT&T Labs | Truevision |
| Status | active | active |
| Primary use cases |
|
|
| Vector scaling | Not supported | Not supported |
When to use each format
When to use DJVU
- Your source file is already in DJVU.
- Preserve source expectations before exporting to ICB.
- DJVU is commonly used in document workflows.
When to use ICB
- Your target workflow expects ICB.
- Improve delivery compatibility with ICB.
- ICB is commonly used in image workflows.
FAQs
Why convert DJVU to ICB?
Convert to ICB when recovering historical raster assets from Truevision-era systems or normalizing old image archives before moving them into PNG, TIFF, or another contemporary format.
It is mainly a compatibility target for legacy graphics collections.
What changes when converting DJVU to ICB?
This conversion changes how the format behaves in downstream tools and delivery environments.
What should I review after converting DJVU to ICB?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.