PDFEncrypt
PDF Unshare
QPDF
PDFsam
PDFTK Builder
PDFtk
PrintOnly
PDFZilla Batch PDF Encryptor
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PDFEncrypt
CodeHeraldBased on our record, PDFEncrypt seems to be more popular. It has been mentiond 2 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
PDFEncrypt has been super useful for doing something that none of the other open source PDF tools seem to do ... https://pdfencrypt.net/. Source: almost 4 years ago
I built PDFEncrypt (https://pdfencrypt.net) a couple years ago based on a very simple need from a client: to encrypt PDF files via a native Windows app, for free. I have been amazed at the number of visitors (4000/mo), emails, downloads, and donations the project has received. I released it as open source software, and I'm now working on V2 (almost done!) which is a complete rewrite based on user requests, as... - Source: Hacker News / about 4 years ago
PDF Unshare - pdf unshare, pdf protection, protect, share, updf, prevent, Lock PDF, Encrypt PDF, PDF Access, Lock, PDF, Encrypt, Access
QPDF - QPDF is a command-line program that does structural, content-preserving transformations on PDF...
PDFsam - PDFsam Basic, a free, open source, multi-platform software designed to split, merge, extract pages, mix and rotate PDF files
PDFTK Builder - PDFTK Builder is a free graphical interface to for PDFTK, making it much easier to use.
PDFtk - PDFtk is a simple tool for doing everyday things with PDF documents.
PrintOnly - PrintOnly is a Windows software tool that restricts documents to be printed only by physical USB printers and cannot be viewed or edited. It can also limit the number of times a document is printed on each computer and set the expiration date.