Two habits that stop you paying for a reprint
Most print resolution failures are not arithmetic errors — they are checks done in the wrong order. Crop before you check density, and proof a detail at 100% before committing.
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Opinion and working notes on pixels, print and screens. For the reference pages, see the guides.
Showing 1–4 of 4 articles
Your browser does not know how big your screen is
devicePixelRatio looks like a density measurement and is not one. What it actually reports, why two identical monitors can disagree, and the one job that needs your real PPI.
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The CSS pixel is not a pixel
Why 1in in CSS equals exactly 96px regardless of your hardware, what that means for print stylesheets, and when physical units are safe to use.
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The one-pixel error hiding in every A4 conversion
Converting A4 from its rounded inch figure instead of its defining millimetres costs you a pixel — and that pixel compounds across bleed, tiling and imposition.
Read articleLooking for the guides? Explainers like What Is a Pixel? and DPI vs PPI, and the walkthroughs for Photoshop, Illustrator, Figma and Excel, are undated reference pages rather than posts. They all live on the guides index.