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Resize vs Change DPI: Which Do You Actually Need?

Written by
Smith
Smith
Reading time
min
Published on
Jan 19, 2025
Resize vs Change DPI: Which Do You Actually Need?
On this page
The Fundamental DifferenceA Visual ExampleWhen to Change DPI OnlyWhen to Resize (Resample)Common Mistakes to AvoidMistake 1: Resizing up for "better print quality"Mistake 2: Setting web images to 72 DPI for "optimization"Mistake 3: Confusing "print size" with "image quality"The Math Behind It AllExample CalculationA Quick Decision FrameworkCommon QuestionsDoes resizing always cause quality loss?Does changing DPI alone change pixels?Why do some people say web images should be 72 DPI?The Bottom Line
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