What are some alternatives?
When comparing SysTools PDF Unlocker and PDFTK Builder, you can also consider the following products
Birdie PDF Security Remover - Remove PDF Printing, Copying, Modify and Editing restriction with PDF Security Remover. Unlock Owner Password PDF security in batch to open and edit locked PDF file.
PDFsam - PDFsam Basic, a free, open source, multi-platform software designed to split, merge, extract pages, mix and rotate PDF files
A-PDF Restrictions Remover - For 9.99 $ A-PDF Restrictions Remover is extremely easy to use.
Adobe Acrobat DC - Make your job easier with Adobe Acrobat DC, the trusted PDF creator. Use Acrobat to convert, edit and sign PDF files at your desk or on the go.
Appnimi PDF Unlocker - Appnimi PDF Unlocker Appnimi PDF Unlocker is a utility which will help you recover passwords of pdf files using Dictionary and Brute Force methods.
PDF-Shuffler - PDF-Shuffler is a small python-gtk application, which helps the user to merge or split pdf...