Problem solved by Diff Anything macOSWindows

See exactly where two images differ

Compare images locally with overlay, swipe, blink, heatmap, changed-pixel masks, true-pixel zoom, thresholds, dimension alignment, and error metrics.

See it in the app

A focused workflow, on your computer.

No accounts, cloud comparison service, analytics, or telemetry.

Diff Anything image heatmap showing changed pixels, similarity, dimensions, and error metrics
Diff AnythingHeatmap makes the changed region visible while exact pixel, similarity, dimension, and error measurements stay beside it.

The problem

Why the usual workflow gets in the way.

Small rendering shifts, color changes, and alignment differences can be difficult to spot by placing two images in separate windows.

The solution

How Diff Anything handles it.

Diff Anything provides side-by-side, overlay, swipe, blink, heatmap, and changed-pixel views. It aligns different dimensions on a shared canvas and reports similarity, error measurements, channel change, and the bounds of the changed area.

Three short steps

From source to answer.

  1. 01

    Open the two local images.

  2. 02

    Choose the visual mode that exposes the suspected change.

  3. 03

    Adjust zoom or threshold and inspect the reported changed region and metrics.

Available for macOS and Windows

Solve it with Diff Anything.