XML/HTML Comparison

XML/HTML comparison tools must include syntax highlighting functionality, provide for line-level and char-level comparison, extensive tag filtering options, and regular expressions support.


Diffutils.com recommends the following tools for smooth and efficient HTML/XML comparison:

Araxis Merge
Guiffy 8.0
ECMerge Pro 2.0

Beyond Compare 2
ExamDiff Pro 

HTMLDiff 
UltraCompare