PressmarksPrepress Tools
Prepress, simplified

Small, sharp tools for getting work ready to print.

Bleed templates, spine widths, halftones, resolution checks and ink limits — built by people who set type for a living. No accounts, no uploads, everything runs in your browser.

FreeNo loginIn-browserPDF / SVG export

Templates & layout

Template

Bleed & Dieline

Print-ready PDF or SVG with bleed, crop marks, registration targets and a safe area, from any trim size.

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Template

Book Spine Width

Exact spine thickness from page count and paper, plus a full cover spread template you can export.

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Image

Ink Coverage / TAC

Estimate total area coverage and highlight over-inked areas before they cause set-off on press.

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Calculators

Calculator

DPI / Resolution

Will your image print sharp at the size you want? Check the effective DPI or find the largest sharp size.

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Calculator

Paper Weight

Convert GSM to pounds across every grade — Bond, Text, Cover, Index — with the correct basic size.

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Image

Halftone & Duotone

Turn photos into a halftone dot screen, a CMYK process screen, or a two-colour duotone. PNG or SVG.

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Made for the press

Most generic design tools stop at the screen. These pick up where prepress begins — bleed, screen angles, ink limits, basic sizes — the details that decide whether a file prints clean or comes back with problems.

Nothing uploaded

Images and inputs are processed in your browser. Files never leave your device.

Real export

Print-ready PDF and vector SVG, at exact physical dimensions — not just a preview.

No account

Open a tool and use it. No sign-up, no paywall on the essentials.

New tools get added as they prove useful. If something you need for print prep is missing, it may be next.