DiffPDF Description:

DiffPDF can compare two PDF files. It offers two comparison modes: Text and Appearance.

By default the comparison is of the text on each pair of pages, but comparing the appearance of pages is also supported (for example, if a diagram is changed or if a paragraph is reformatted).

It is also possible to compare particular pages or page ranges. For example, if there are two versions of a PDF file, one with pages 1-12 and the other with pages 1-13 because of an extra page having been added as page 4, they can be compared by specifying two page ranges, 1-12 for the first and 1-3, 5-13 for the second. This will make DiffPDF compare pages in the pairs (1, 1), (2, 2), (3, 3), (4, 5), (5, 6), and so on, to (12, 13).

What´s New in version 1.6.0:

- In addition to Appearance comparisons using highlighting, they can now also some composition modes to help make subtle differences more visible. (This was inspired by feedback by Florian Heiderich.)
- Can now control the square size for appearance comparisons. Using very small squares can help reveal tiny Appearance differences.
- Can now control the fill opacity for highlighting.
- Extended zoom range from 20 percent to 800 percent (was 25 percent to 400 percent).

System Requirements: Windows XP/Vista/7
Operating System Support: Windows 7, Windows Vista, Windows XP

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