How to Password Protect Your PDF Files (and When You Should)
What PDF encryption actually protects against, how to choose a strong password, and how to remove it again later.
Read more
Security
Protect PDF Guides & Variations
A PDF password protection tool encrypts a document so that it can only be opened by someone who knows the password you set, using industry-standard 256-bit encryption. Once protected, the file itself — not just a viewer's settings — enforces the password requirement, so it stays protected no matter where the file is copied, emailed or stored.
Choose Your Situation
Guides for Every Platform and Use Case
Every guide links to the same free tool — pick the one that matches how you're working right now.
Security
Related Tools
From the Blog
Related Articles
PDF Metadata Explained: Title, Author, Subject and Keywords
What each metadata field actually does, why search engines and file managers read it, and how to clean it up.
Read more