DiffPDF is a Windows graphical user interface (GUI) application for comparing two PDF files. DiffPDF shows pairs of pages from the two PDFs being compared with any differences highlighted. Comparisons can be made based on the text regardless of layout, or based on appearance (which accounts for fonts, colors, layout, diagrams, images, etc.)

With PLC-Lab you can create your own simplified digital twin for PLC training or to find all logical bugs in your PLC program. The objects in PLC-Lab offer extensive design and setting options, so the variety of project types that can be implemented with PLC-Lab is very high.

Protect PDF documents from being copied or converted by removing all permissions that enable processing using this straightforward app. If you are not the author of the PDF documents you are handling but still want to lock it to ensure the integrity of confidential file or contracts, then using a utility such as PDF Anti-Copy can make things smoother and convenient.