Guides

Print guides for shop counters

Short answers to questions that come up every day at photo, print and gift counters. Free to read, no sign-up.

Print resolution calculator
Enter the photo's pixels and the print size. See the PPI for fit and fill, how much is cropped and the pixels needed for 300 PPI.
Print resolution explained: how many pixels does a sharp print need?
Divide pixels by inches. Worked examples, sensible thresholds, and what PPI cannot tell you.
Fit vs fill: why a photo gets cropped in a frame
Photo shape vs frame shape, how much is cut off, and how to explain it to a customer.
Standard photo print sizes: inches, millimetres and pixels
A quick reference table: 4×6 to 12×18, A4 and A3, with the pixels needed at 300 PPI.
Why WhatsApp photos print blurry, and how to collect the originals
How to spot a compressed photo before printing, and four ways to get the original file.
Transparent artwork for T-shirts: PNG vs JPG
Why logos print as white boxes, the fake-checkerboard trap, and what to ask the customer for.

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