Add Password to PDF
Secure your PDF document by encrypting it with a password. Choose user and owner passwords and set custom copy, print, and modify permissions.
Supports standard PDF formats
File:
Set Passwords
Restrict Permissions
Note: Permissions are active only when an Owner Password is set.
Frequently Asked Questions
What is the Add Password to PDF?
The Add Password to PDF is a free, web-based utility that lets you process PDF files directly in your web browser. It does not require installing any desktop software or mobile apps.
Is it safe to upload my files to the Add Password to PDF?
Yes, absolutely. The Add Password to PDF operates entirely client-side (directly inside your browser). Your documents are never uploaded to any remote servers, ensuring 100% data privacy and security.
How does the Add Password to PDF process files so fast?
Since all processing occurs locally on your machine using modern web technologies, files do not need to be transmitted over the internet, resulting in instant local operations.
Does the Add Password to PDF support password-protected files?
Yes, for secured files, you will be prompted to enter the password to decrypt the file locally in your browser before the tool can perform its operations.
Is there any file size or quantity limit for using the Add Password to PDF?
There are no server-imposed file limits. The performance depends solely on your device's memory and CPU capabilities, as all processing is completed locally.