PDF to Image DPI Guide: Choosing the Right Resolution
72 DPI vs 150 vs 300 — which DPI should you use when converting PDF to image? This guide explains the trade-offs for screen, print, and OCR use cases.
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Tags: pdf, developer-tools, conversion, images
PDF to Image DPI Guide: 72 vs 150 vs 300 — Which to Choose DPI (dots per inch) is the single most important setting when converting a PDF to an image. It determines the pixel dimensions of the output, the visual quality when displayed or printed, and the resulting file size. Choosing the wrong DPI wastes storage and bandwidth (if too high) or produces unusable low-quality output (if too low). This guide explains what DPI means for PDF output and gives concrete guidance for every common scenario. What DPI Actually Means in PDF Conversion PDF pages are defined in terms of physical dimensions (measured in "points" where 1 point = 1/72 inch). When you convert a PDF page to an image, you choose how many pixels to use for each inch of the original page. That ratio is the DPI. The math for an A4…
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