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Protect PDF Online

Prevent unauthorized access to your intellectual property. Add military-grade password encryption and define permission levels for editing or printing.

or drag and drop them to secure in-browser workspace

Secure offline-ready client processing

Why use PDFGo Protect PDF tool?

Military-grade 128-bit / 256-bit AES encryption standard
Add custom password to open and view the document
Prevent editing, printing, or content copying actions
Secure in-browser encryption safeguards files from network leakage

How to process Protect PDF in 4 simple steps

1

Step 1

Upload the PDF document you want to secure.

2

Step 2

Type in your secure password (twice to verify).

3

Step 3

Click 'Protect PDF' to apply the strong encryption.

4

Step 4

Download your secure password-locked PDF document.

Questions & Answers

Frequently asked questions concerning our online Protect PDF compiler

Q.What encryption strength does PDFGo use?

We use standard high-security 128-bit and 256-bit AES encryption to lock the files, ensuring they cannot be cracked by unauthorized tools.

Q.Can I remove the password later?

Yes, you can use our Unlock PDF tool to decrypt the file if you know the password.