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Protect PDF

Add password protection and encryption to your PDF, preventing unauthorized viewing, printing, or editing. Control exactly what permissions are allowed.

Drop your file here

or browse files

Input: .pdf Output: .pdf
Web Crypto API β€” AES-256 (runs in your browser)

Processing…

πŸ”’ This tool runs entirely in your browser β€” your file is never uploaded to any server.

How to protect pdf

1

Upload the PDF you want to secure.

2

Set a password and choose permission restrictions.

3

Download your encrypted, protected PDF.

Frequently Asked Questions

We use industry-standard 256-bit AES encryption for maximum security.
Yes, granular permissions let you control printing, copying, and editing separately.
We cannot recover lost passwords β€” please store it securely, as there is no backdoor.