Technology blogger Amit Agarwal has written up a simple guide to opening up password-protected PDF documents. Just as a quick disclaimer: this should only be used in appropriate circumstances ...

Tired of typing in a password every time you open your PDF? This quick step-by-step guide shows you how to remove it safely and easily ...

A PDF is typically protected either using a document open password or a permissions password. A document open password allows the viewer to edit and print the PDF once opened with a password and ...

This guide will show you how to safely unlock your password-protected documents — including PDFs, Word, and Excel files — using Wondershare Dr.Fone.

To remove the password protection, use CleverPDF's Unlock PDF tool. Upload the password-protected file, enter the password, and download the unlocked PDF.

If you subscribe to Adobe Acrobat Pro, open the password-protected PDF, navigate to Menu > Protection > Security, then select "No Security" from the Security Method drop-down menu.

The Kindle will open password-protected PDFs, but not if the PDF has digital rights management applied to it.