PPI Checker
Check resolution for print quality
Runs in your browser. Files never leave your device.
How to use PPI Checker
- Choose or drop your images. You can add several at once.
- Adjust the settings and check the preview.
- Download the result, or every file at once as a ZIP.
About this tool
Find out how large an image can print at good quality. See its print size at 72, 150, 240, 300 and 600 pixels per inch, or enter the size you want to print to get the resulting PPI and a quality rating.
- Works on your device. Nothing is uploaded.
- Free, with no sign-up and no watermark.
- No limits on file count or size beyond what your device can handle.
Questions and answers
What is the difference between PPI and DPI?
PPI is how many image pixels fit in one inch of the print. DPI is how many ink dots a printer places per inch. People often use DPI for both.
Is 150 PPI good enough?
For posters and large prints viewed from a distance, yes. For photos held in the hand, aim for 240–300 PPI.
Is PPI Checker free?
Yes. Every tool on ImgImage is free to use, with no sign-up, no watermark and no limit on how many files you process.
Are my files uploaded anywhere?
No. Your files are processed by your own browser and never leave your device. Nothing you open here is sent to a server.
Does it work on my phone?
Yes. It works in any modern browser on phones, tablets and computers. Large files are processed faster on a computer.