Where this tool helps
Useful for design review, screenshot QA and checking whether an export changed.
IMAGE TOOLS / FREE ONLINE TOOL
Image Difference Checker
Compare two images pixel by pixel, highlight changed areas in red, and download a difference PNG.
✓ Browser only✓ No signup✓ Copy or download
Privacy and limitations
Both images are aligned from the top-left. Different dimensions count as differences, and small color changes can be filtered with tolerance.
How to use Image Difference Checker
- Choose the original and updated images.
- Set a pixel color tolerance and choose highlight or blended view.
- Click Process images and review the difference preview before downloading the PNG.
What to know before you start
Both images are aligned from the top-left. Different dimensions count as differences, and small color changes can be filtered with tolerance.