Image Diff
Compare two images pixel-by-pixel. SSIM score, pixel diff count, PSNR, RMSE, and a visual highlight of every change — perfect for design QA and visual regression testing.
Image 1 · Before
Image 2 · After
Compare options
Tolerance (fuzz)
Higher ignores minor colour variation (noise, JPEG artifacts)
5%
Highlight colour
Resizes the larger image to match the smaller before comparing
Diff image format
Great for design QA, before/after comparisons, and visual regression testing.