PDF Fixer is described as 'free PDF repair utility which fixes corrupt PDF files by restructuring the damaged PDF data, rebuilding XREF tables and then recovers those PDF documents back. It can repair PDFs which PDFTK & Ghostscript cannot repair'. There are more than 10 alternatives to PDF Fixer for Windows, Mac, Linux and BSD. The best alternative is QPDF, which is both free and Open Source. Other great apps like PDF Fixer are Stellar Repair for PDF (Paid), PDF Password Remover Tool (Free), SysTools PDF Unlocker (Paid) and A-PDF Restrictions Remover (Paid).
It could have been called something like pdf-to-pdf. It also provides many useful capabilities to developers of PDF-producing software or for people who just want to look at the innards of a PDF file to learn more about how they work.
Stellar Repair for PDF It is an effective Windows-based PDF repair software that can repair damaged PDF files. It restores forms, headers, footers, word art, clip art, page format, shapes, charts, and tables enclosed in the PDF files.
SysTools PDF Unlocker is a reliable tool to unlock PDF file Password and Restrictions. The software is capable to Unlock PDF file’s owner password security, removes PDF file restrictions like (printing, editing, copying, extracting text, etc.
For 9.99 $ A-PDF Restrictions Remover is extremely easy to use. Just right click the PDF file in Windows Explorer, and in the context-sensitive menu that pops up, select either the "Remove Restrictions" or "Remove Restrictions & Save as..." option.
Freeware PDF Unlocker is a simple and useful application for 32bit-Windows, that will remove the password and restrictions on any PDF file that you can read. There are two types of passwords that can be used in a PDF file.
Unlock PDF Passwords is PDF Unlocker utility to unlock PDF passwords along with all adobe PDF securities like copy, edit, print. You can easily unlock Adobe PDF file securities and copy pdf, edit pdf and print pdf files.
3Steps PDF Unlocker Software is an easy to use and permission-based tool for enable all PDF permissions and remover PDF security in no time. By using this software you don’t need any installation of Adobe Acrobat on your machine for removing PDF file restrictions and security.