Compare is a powerful tool based on ImageMagick and Ghostscript that will help you to spot differences between two files.
Pixel Precision Analysis:
A detailed examination that identifies even the slightest differences between the two images.
Color Difference Highlighting:
Automatically highlights area discrepancies, making it easier to spot variations.
JSON or XML report:
Get a report, page per page, showing the difference between files
Compare file using different mode
Similarity
Number of pixels
mean error per pixel
…
Multiple file format supported:
png
tiff
jpeg/jpg