How to Secure a PDF with a Password
Add encryption and password protection to any PDF. Free browser tool — private, no upload to cloud.
Secure a PDF by adding 128-bit or 256-bit password encryption — preventing unauthorized opening, copying, or printing. Free in any browser.
Open the Protect Tool
Go to fixmypdf.in/tools/protect in any browser.
Upload the PDF
Select the document you want to secure.
Set Owner and User Passwords
Set an "open" password (required to view) and optionally a separate owner password that restricts printing and copying.
Download Secured PDF
Download the encrypted PDF. Recipients need the password to open it in any PDF viewer.
Encryption Strength
FixMyPDF applies AES-256 encryption — the same standard used by banks and government systems. This level of encryption is effectively unbreakable with current technology.
Try Protect PDF Now — Free
Browser-based, private, and instant. No account or software required.
Open Protect PDF