lock PDF Password Tool

Protect or unlock a PDF with a password.

Add password protection to a PDF, or remove a password from one you own.

lock PDF Password
Add Password
Remove Password

Only use "Remove Password" on PDFs you own or have permission to unlock.

encrypted
128-bit AES
Industry-standard encryption when adding a password.
layers
Any Page Count
Works on PDFs of any length, no page limit.
verified
Free & Unlimited
No signup, no usage limits, no page limits.

How to protect or unlock a PDF

  1. Choose Add Password or Remove Password.
  2. Upload your PDF and enter the password.
  3. Download the resulting PDF.

Frequently Asked Questions

Yes, if you know the current password. Enter it and choose Remove Password. Only use this on PDFs you own or have permission to unlock.
Protected PDFs are encrypted with 128-bit AES, the standard used by most PDF readers and software.
Yes. 100% free — no account required, no usage limits, no page limits.