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About this tool
Compare same-size images with sliding views, overlays, difference heatmaps and pixel statistics.
Common uses
- Compare same-size images with sliding views, overlays, difference heatmaps and pixel statistics.
- Review screenshot regressions and compression changes.
How to use it
- 1.Select local files or enter input and configure options.
- 2.Process, review the preview, then download or copy the result.
Limits and notes
- Up to 12 MP / 16 MiB each. Static PNG, JPEG or WebP only, with matching dimensions; animations are rejected and no automatic alignment is performed.
Frequently asked questions
Are files uploaded?
Processing stays in your browser; input is not uploaded.
What are the limits?
Up to 12 MP / 16 MiB each. Static PNG, JPEG or WebP only, with matching dimensions; animations are rejected and no automatic alignment is performed.