Image Diff
Compares two images pixel by pixel: difference heatmap, changed-pixel percentage, per-channel error metrics and a slider to swipe between the two versions. Catches invisible regressions in screenshots and renders.
Runs 100% in your browser — images never leave your device.
Read the full guide to this tool
Notes
- Images of different sizes are compared over the overlapping region, anchored to the top-left corner.
- Everything runs locally in your browser; your images are never uploaded to any server.
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