Draws bleed, trim and safety rectangles on every page of a book PDF. Nothing leaves this browser — the file is never uploaded anywhere.
1 — PDF
Drop a PDF hereor click to choose a file
2 — Finished size
Enter the finished size of the book. Editing either box switches the menu to Custom.
Used only as a cross-check. Guides are measured inward from the sheet edges, and the spine is derived from what is left between the two panels.
3 — Guides
Bleed
finished + 0.25 in
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Trim
finished size
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Safety
finished − 0.375 in
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Spine Folds
Panel boundaries
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4 — Stamped PDF
Guides are drawn as printing artwork on top of each page. Delete them before sending the file to press.
5 — PNG images
Leave blank to export the page you're looking at.
One page downloads as a PNG. Several pages download as a ZIP.
6 — Preflight checks
Page 1 of a book is normally a right-hand page, so the first spread is pages 2–3.
Drop a PDF hereOR CLICK TO CHOOSE A FILE
Screen Calibration
Hold a credit card flat against the screen and drag the slider until the white bar is exactly as wide as the card. Any ID-1 card works — they are all 85.6 mm.
