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Graphical tools specifically designed to display and analyze visual discrepancies between two PDF files.
Distinct from Visual Difference Analyzers: Focuses on PDF-specific rendering and alignment controls rather than general image-to-image difference analysis.
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diff-pdf is a visual comparison tool for PDF files that identifies differences between two documents. It functions as both a command line utility for verifying if documents are visually identical and a visualizer for pinpointing specific changes. The project provides a graphical interface for manual inspection, featuring zoom and offset controls to analyze visual shifts. It also generates difference maps that visually highlight the specific areas where two PDF documents differ. The tool supports automated regression testing by returning status codes to indicate whether pixel-level discrepanc
Ships a graphical interface for side-by-side PDF comparison with zoom and offset controls.