What are some alternatives?
When comparing A-PDF Restrictions Remover and 4dots Free PDF Password Remover, you can also consider the following products
PDF Password Remover Tool - PDF Password Remover Tool. Free PDF password remover tool by PDF Technologies. Remove passwords from PDF documents.
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.
Free Image to PDF Converter - Convert JPG, BMP, PNG Images to PDF File
SysTools PDF Unlocker - PDF Unlocker software allows users to remove restrictions from PDF documents. Unlock PDF for copy, print, edit, sign, comment, etc., On any Windows & Mac OS. Also, remove known user-level password & owner level password security from PDF files.
QPDF - QPDF is a command-line program that does structural, content-preserving transformations on PDF...
GSView - Use Ghostscript GSview to open PDF files with owner password restrictions.