VISUAL QA · GAMES · MODS

See what actually changed.

Compare two screenshots side by side, blend them, or highlight changed pixels. Files stay on this device.

01 / INPUT

Choose screenshots

ABaselineChoose a PNG, JPEG, WebP, or BMP BCurrentChoose a PNG, JPEG, WebP, or BMP

02 / REVIEW

Compare

Waiting for images

◎Add two images to startNothing is uploaded. The comparison is calculated locally.

03 / MEASURE

Difference summary

Thresholded RGBA pixel comparison

Changed pixels——

Mean absolute error—0–255 across RGBA channels

Changed bounds—Rectangle in comparison coordinates

Select two images.

HOW TO READ IT

The heatmap marks pixels whose largest RGBA channel difference is above the selected threshold. The changed-area percentage counts marked pixels divided by the full comparison canvas. It is a visual signal, not an automatic verdict; resolution scaling can affect the result.