PDF file that prevents you from opening, printing, or how to remove password protected pdf file free the PDF file. Most PDF password cracker tools fall into one or more of three major categories: tools that recover the PDF user password, tools that recover the PDF owner password, and tools that remove the PDF owner password allowing full access to the PDF file.
The majority of PDF password remover tools cost money but there are also plenty of free ones, the best of which we’ve found and reviewed below. Note: An individual PDF password removal tool might only support the cracking or removing of a password if it’s of a certain kind, for a certain security level, encrypting a certain version of PDF, or may even have other restrictions. I’ll call out any of those known limits below.
Important: In most countries, the only legal use of PDF password crackers is to break the security on a PDF file that you have the permission to do so on, like a PDF you encrypted but forgot the password to. Need to Crack a Different Kind of Password? See our list of free password crackers for free programs to crack Windows passwords, RAR and ZIP archives, Word and Excel files, and more.
PDFCrack is the best free PDF password recovery tool available, assuming that’s what you’re after – an actual password “recovery” and not a simple PDF password removal or reset. Method: PDFCrack would be considered a true PDF password recovery program since it recovers both the user password and owner password from encrypted PDFs. PDFCrack uses a brute-force password recovery method. Limits: PDFCrack works with PDF files up to version 1.
6 with 128-bit RC4 encryption. My Test: PDFCrack recovered the 4-digit owner password on a version 1.