Image Diff Checker

Compare two images pixel-by-pixel and highlight every difference — useful for design reviews and visual regression checks.

How to use Image Diff Checker

  1. Upload two images of the same size.
  2. Differing pixels are highlighted in the diff view.
  3. Review the difference percentage and map.

Frequently asked questions

Are my files uploaded to a server?

No. This tool runs 100% in your browser. Your files never leave your device, which makes it fast and completely private.

Is this tool free for commercial use?

Yes. All PikFinder tools are free with no sign-up, no watermarks, and no usage limits. Files you process belong entirely to you.

Related tools

Color Palette ExtractorExtract the dominant colors from any image and copy their HEX codes — perfect for building palettes from photos and designs.Image Color PickerPick the exact RGB and HEX color of any pixel in an image. Hover to inspect, click to copy.