#dpi
Practical guides for online sellers: product photos, marketplace listings, video ads and growing your store.
Zazzle Image Size and Resolution (2026): 150 PPI Rule and Pixel Chart
Zazzle's 150 ppi minimum, 200 ppi for logos, a pixel chart for every poster and print size, accepted file types, transparency, and fixes for small images.
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What DPI for Printing? 300 vs 240 vs 150 vs 72 DPI Explained (2026)
Which DPI to use for photo prints, posters, labels, cards and print on demand, why the 72 DPI web rule doesn't matter, and how large each image size prints.
Photo Print Sizes in Pixels (2026): 4x6 to 24x36 and A4 at 300 and 150 PPI
Every standard print size from wallet to 24x36 and A6 to A3 in pixels at 300 and 150 PPI, the picture ratio of each, and how much a phone or camera photo is cropped.
How to Change the DPI of an Image (2026): 300 DPI in Photoshop, GIMP and Preview
DPI and PPI explained, when 300 DPI matters, the pixels each print size needs, how to change DPI without resampling, and how to fix images that are too small.
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