Design Tools
DPI/PPI Calculator (Print Size ↔ Pixels)
Convert pixels and PPI to print dimensions, or calculate the pixels needed for a target print size. Compare horizontal and vertical effective PPI and read image dimensions locally in your browser.
Aspect Ratio Calculator
Calculate and simplify an aspect ratio, find matching resize dimensions, compare common presets, and preview the shape.
Image Aspect Ratio Calculator and Crop Tool
Read image dimensions and aspect ratio, inspect pixel count and format, then crop to a fixed ratio and download the result locally in your browser.