Image Diff

Compare two images side-by-side or with a difference overlay. Fast, free, and fully client-side.

Image 1 (Before)

Image 2 (After)

How the Image Diff Works

Compares two images interactively with a smooth before/after split slider, side-by-side view, and pixel-by-pixel difference analysis.

Usage Example

Visually verify visual regression testing screenshots or compare edited photos against originals.

Frequently Asked Questions

How does the comparison slider work?

Drag the vertical divider handle across the canvas to reveal differences between the original and revised image.

Do both images need to have the same dimensions?

For optimal comparison, both images should share the same aspect ratio and dimensions.

Browse more

See all image manipulation tools.