description What The Diff Overview
WhatTheDiff is a Chrome extension that analyzes two images side-by-side to identify visual differences, highlighting specific areas of change with bounding boxes and confidence scores for rapid comparison analysis.
help What The Diff FAQ
How does WhatTheDiff compare two images?
WhatTheDiff places two images side by side and analyzes their visual changes. It highlights changed areas with bounding boxes and assigns confidence scores to the detected differences.
Can WhatTheDiff help with website screenshot testing?
Yes, comparing two UI screenshots is a natural use case for its image-difference workflow. The bounding boxes can point a reviewer toward changed buttons, spacing, text, or layout regions.
What do the confidence scores mean in WhatTheDiff?
A confidence score indicates how certain the comparison system is that a highlighted region represents a meaningful difference. It is a review aid, not a guarantee that every high-scoring box is a real product defect.
Is WhatTheDiff an image editor like Photoshop?
No. It is described as a Chrome extension for analyzing two images, similar in purpose to a visual-diff tool such as Pixelmatch, rather than a tool for retouching or redesigning images.
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