Image Diff Tools
A collection of free image comparison utilities for designers, developers, and QA engineers. Compare images visually, highlight differences, generate pixel masks, and analyse diff statistics. All processing happens locally in your browser.
100% client-side - your images never leave your device
Side-by-Side
Display two images horizontally adjacent for direct visual comparison
Overlay Slider
Stack images with a draggable slider to reveal differences interactively
Diff Highlight
Generate a diff image with changed pixels color-coded for instant spotting
Pixel Mask
Create a binary mask image showing only the areas that changed
Statistics
Pixels changed, dimensions, file sizes, perceptual hash, and visual similarity