DEVICES & WORKFLOW · NOVEMBER 8, 2026
Coloring Page Maker: Does Paper Size Change Your PNG?
Yes. In one controlled Chrome comparison using the same synthetic 640 × 480 input and Clean Outline style, choosing A4 produced a 3508 × 2480 PNG, while US Letter produced a 3300 × 2550 PNG. The page setting changed the exported dimensions and the two saved images differed when aligned to the same comparison canvas. This is one input and one browser run, not a universal result for every photo or style.
Open the Maker · Maker Help & Guides
What we compared
We loaded the same locally made, synthetic illustration twice into the production Maker snapshot in Chrome 156.0.8078.80. For each run, we selected Clean Outline, changed only the paper-size menu (A4, then US Letter), generated the page, and saved the actual PNG download. The A4 file was 413,706 bytes; the US Letter file was 416,556 bytes. The PNG dimensions shown in the result view were 3508 × 2480 and 3300 × 2550, respectively.
To check whether the page images were simply identical files with different labels, we compared the downloaded images after fitting each page onto the same white 800 × 800 canvas, preserving its aspect ratio and centering it within a 760 × 760 area. A thresholded black-versus-white mask differed at 4,090 pixel positions. This comparison is a simple mask check, not a perceptual score; the method and source files are available below.
How to use the result
Pick the paper size you plan to use before generating. After generation, check the dimensions shown beside the result and save the actual PNG. If you switch paper sizes, generate and review the new result instead of assuming the first file will fit the second page format unchanged.
This test used one synthetic drawing, one style, two paper settings, and Chrome 156.0.8078.80. It did not test photographs, other styles, a PDF download, physical printing, or other browsers. The Maker’s result page can also be checked against its actual PNG download guide; for printing, see how to print one page. Read the test method and measurements.
For a fresh result, open the Coloring Page Maker, watch the paper-size video guide, or browse Maker Help & Guides. · Watch on YouTube