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Prepress suite comparison
ImpositionPDF vs callas pdfToolbox
callas pdfToolbox is a comprehensive prepress automation and preflight suite with imposition among many features. It is a paid, installed product for production automation. ImpositionPDF focuses on fast, free, in-browser imposition with built-in preflight checks for the everyday jobs.
Why people switch
- Free and instant in the browser.
- Built-in preflight (fonts, bleed, DPI, color, page count).
- No install or automation setup for one-off jobs.
Feature comparison
| Feature | ImpositionPDF | callas pdfToolbox |
|---|---|---|
| Runs in the browser (no install) | ✓ | — |
| Files stay on your device (nothing uploaded) | ✓ | N/A (desktop) |
| Free to use | ✓ | — |
| Booklet & saddle-stitch | ✓ | ✓ |
| Perfect-bound / trade paperback | ✓ | ✓ |
| N-up & step-and-repeat | ✓ | ✓ |
| Gang sheets | ✓ | ✓ |
| Comic book imposition | ✓ | Manual |
| Crop, bleed & registration marks | ✓ | ✓ |
| Preflight checks | ✓ | ✓ |
| Cross-platform (Win/Mac/Linux/ChromeOS) | ✓ | — |
Comparison is based on publicly documented features and may change as each product evolves. callas pdfToolbox is a trademark of its respective owner; ImpositionPDF is not affiliated with or endorsed by it.