Description: PDFEncrypt is a PDF encryption software that allows users to password protect their PDF files. It has features for 128-bit and 256-bit AES encryption to secure sensitive documents.
Type: software
Description: QPDF is an open-source command-line tool and C++ library for manipulating and inspecting PDF files. It can split, merge, encrypt, decrypt, linearize, and fix corrupted PDF files.
Type: software
Pricing: Free