Poster King Tools

DPI Checker

Read embedded image DPI when available and compare pixel dimensions with common print targets.

Resize an image for a chosen print width and export a PNG carrying 300 DPI resolution metadata.

Convert pixel dimensions and DPI into print size in inches, centimeters and millimeters.

Convert CMYK color values into approximate RGB and HEX values for screen previews.

Convert RGB color values into approximate CMYK percentages for print planning.

Calculate final artwork dimensions after adding bleed to each side of a print design.

Check width, height, megapixels and maximum recommended print sizes at 72, 150 and 300 DPI.

Upload an image and enter the desired physical print size to calculate effective DPI and quality.

Inspect image pixel dimensions, aspect ratio and file size for several files at once.