"Your software is the best I've ever used for comparing PDFs.", —customer feedback.
DiffPDF — compare PDF files quickly and easily: Click or drag one PDF; click or drag another PDF; click Compare.
This commercial Windows graphical user interface (GUI) application is ideal for office workers and is our most popular product. (See also Why Compare PDFs?)
diffpdfc — compare PDF files. In a console (e.g., cmd.exe) enter, e.g., diffpdfc.exe -Hc -r result.pdf myfirst.pdf mysecond.pdf and see the results in result.pdf.
This commercial console (command line) program for Windows is ideal for testing, quality assurance, and scripted comparisons. (See also Why Compare PDFs?)
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