Free tool · File prep

Image Resolution Checker

Will your image print sharp or come out fuzzy? Enter your image’s pixel size and the finished print size to see the effective resolution and whether it’s good to go.

Enter your image pixels and the finished print size.

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Good to know

Image resolution & DPI FAQ

Need this done for you? We handle Graphic Design for businesses across Buffalo and the Twin Cities.

What DPI do I need for printing?

About 300 PPI is ideal for pieces viewed up close, like business cards and brochures. Large-format signs and banners can look great at 100 to 150 PPI because they’re viewed from farther away.

Where do I find my image’s pixel size?

On most computers, view the file’s details or properties — it lists the width and height in pixels. Phone photos are usually plenty large; web images and logos pulled from a website are often too small.

My file is too low-res — what now?

Send it over. We can often source a higher-resolution version, rebuild logos as crisp vector art, or advise on the largest size it will print cleanly.

How the math works

How to check image resolution for print

The rule of thumb: aim for about 300 PPI (pixels per inch) on anything read up close — business cards, brochures, flyers — and 100–150 PPI for large-format pieces like banners and yard signs that are viewed from several feet away. Below 100 PPI, most images start to look soft or blocky in print.

The math is simple division. Divide the image’s pixel width by the print width in inches, divide the pixel height by the print height, and take the lower of the two numbers — that’s your effective resolution. This checker does exactly that, because the weaker dimension is the one that limits sharpness.

Worked example: a 3000 × 2400 px photo printed at 24" × 18" gives 3000 ÷ 24 = 125 PPI on the width and 2400 ÷ 18 ≈ 133 PPI on the height, so the checker reports 125 PPI — rated “OK for large format at a distance.” Fine for a banner, too soft for a brochure. If your file doesn’t make the cut, our graphic design team can often source higher-res art or rebuild logos as vector.

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