UltimateApp

Image Diff & Opacity Overlay Comparator

Compare two images with interactive opacity blending, split-screen curtain slider, pixel difference heatmap, and blink comparator directly from your clipboard.

Layer A (Base / Before)

Paste Image A or Click to Upload

Press Cmd+V or Ctrl+V anywhere
Swap
Layer B (Overlay / After)

Paste Image B or Click to Upload

Press Cmd+V or Ctrl+V anywhere
Overlay Opacity:
50%
100%

Paste or Drop Two Images

Paste from clipboard (Cmd+V or Ctrl+V) or drag & drop two images above to inspect their pixel differences.

Image pasted!