What is Image Diff?
Overlays two images and marks the changed pixels in red. Useful for checking design edits, visual regression testing and spot-the-difference puzzles.
How to use
- 1
Choose the two images to compare in order.
- 2
Adjust the sensitivity.
- 3
Press “Compare” to see the difference image and ratio.
Use cases
Design review
Compare mockups before and after edits to find what changed.
Screen testing
Compare screenshots from before and after a release.
FAQ
Are my files uploaded to a server?+
No. Everything is processed in your browser and files are never uploaded anywhere.