Altova DiffDog Professional Features

File Comparison

• Compare any two text files and indicate differences with colored highlights and connecting lines.
• Bi-directional merging of individual differences and direct editing of files in comparison window.
• Unlimited Undo/Redo for editing and merging.
• Saves file selections in a comparison settings document for reload later.

XML Comparison

• Multiple options for XML-aware comparisons, such as entity resolution, ignore attribute order, etc.
• Well-formedness checking and validation (DTD & schema based).
• Intelligent Editing (DTD/schema based entry help, code completion & syntax help) within comparison window..

Directory Comparison

• Compared directories displayed in expandable/collapsible trees with multiple comparison modes by file type.
• Bi-directional file replacement within compare window or synchronize directories in one step.
• Expand .ZIP archives and OOXML files as directories to compare file-pairs (with XML-aware options).
• Saves directory selections in a comparison settings document for reload later.