GUIDE · Oct 2026

72 DPI vs 300 DPI: What Actually Changes?

Changing a file from 72 DPI to 300 DPI can change its interpreted print size without adding a single pixel. That distinction is why DPI questions are so often confusing.

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The same pixels can report different DPI values

A 3000×2000 image contains six million pixels whether its metadata says 72 DPI or 300 DPI. DPI tells print and layout software how densely to place those pixels, not how many pixels exist.

When 300 DPI matters

Publishers, print shops and submission systems sometimes check the density metadata directly. In those cases, writing 300 DPI can be necessary even if no resampling is required.

  • Use the destination specification instead of guessing
  • Check pixel dimensions separately from DPI
  • Do not expect a DPI metadata change to restore missing detail

When 72 or 96 DPI is fine

Screen-only images are normally positioned by pixels or CSS rather than physical inches. A 72 or 96 DPI tag usually does not make a web image look sharper or blurrier.

Do it now, not one file at a time.Change image DPI →