KOLTPrinting
Resources Check your file Free tool

The 25-point prepress checklist

The same checks our operators run on every incoming file. Tick them off as you go (progress is saved in your browser) or download the PDF to pin above your desk.

Interactive prepress checklist
0 / 25 checked
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File format
Size, bleed & safe zone
Colour
Resolution
Type & lines
Layout
Before upload
Upload your file for a free preflight Check image resolution first
Designers & agencies: put this calculator on your own site — free, always up to date.
More in “Check your file”
Image DPI Checker

Drop a JPG, PNG, TIFF or PDF, tell us the print size, and get the effective resolution with a plain-English verdict — plus colour-mode and bleed warnings from the same preflight engine our prepress team uses.

Bleed & Safe-Zone

Pick a trim size, set bleed and safe margin, and get the exact document size, safe box and pixel dimensions for your artwork — in inches or millimetres.

Pantone ↔ CMYK ↔ HEX

Convert any brand colour between screen, process and spot references, see how it will look on coated, uncoated and kraft stock, and find the closest Pantone to specify for letterpress, foil or spot-colour work.

All 13 tools →