Lock PDF

How to Lock PDF Files with Passwords

Step-by-step guide for adding passwords to PDF files using the lock-pdf tool.

  1. Step 1: Upload PDF

    Upload the PDF file.

  2. Step 2: Set Password

    Set a password to lock the PDF file.

  3. Step 3: Lock PDF

    Lock the PDF with the password.

  4. Step 4: Download Locked PDF

    Download the locked PDF file.

Easy to Use

Quickly lock your PDF files with a simple interface.

Strong Encryption

Apply strong password encryption to safeguard your documents.

Privacy Ensured

Your files are encrypted and deleted from our servers after processing.