Check PNG DPI

Read PNG pHYs DPI, pixel size and print size in your browser. No upload. Free, no account.

JPG PNG TIFF

or drop images here

How to check PNG DPI

PNG density often lives in the pHYs chunk. This page reads it without uploading the file and without changing pixels.

  1. 1

    Select one PNG, up to 25 MB, or drop it onto the page.

  2. 2

    Read the pHYs-based DPI, pixel dimensions and estimated print size.

  3. 3

    Use Change Image DPI if you need a different PNG density tag.

Related image tools

Check Image DPI Change Image DPI Resize Image Compress Image

PNG DPI checker questions

Answers about pHYs, print size and privacy.

Where does PNG DPI come from?

From the pHYs chunk when it is present. If it is missing, many apps assume 72 DPI.

Change Image DPI

Is the PNG uploaded?

No. Checking runs in your browser.

Resize Image

Does a 300 DPI PNG mean it is print quality?

Only if the pixel width is also large enough. Print width equals pixels ÷ DPI.

Compress Image

Should I change DPI or resize the PNG?

Change DPI for a printer tag. Resize when you need a different pixel size.

Check Image DPI