4dots Free PDF Password Remover can remove a password from a PDF file. Batch unprotect whole Folders with PDF Documents and their subfolders.
pdfRest empowers developers and businesses to seamlessly integrate PDF processing into their applications and workflows through a comprehensive suite of powerful REST APIs. From conversion and modification to extraction and optimization, pdfRest includes all the tools you need.
PdfPig is a fully open-source Apache 2.0 licensed and .NET Standard compatible library that enables users to read and create PDFs in C#, F# and other .NET languages. It supports all versions of .NET back to .NET 4.5.
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