Lock a PDF
Secure your documents with advanced encryption — trusted by professionals worldwide
Every file is encrypted, and auto-deleted after 1 hour
How to lock a PDF
1. Upload your PDF
2. Set your password
3. Lock it & download the protected file
Trusted and certified
Secure process
Why choose our PDF password tool
Our PDF locking tool boosts your productivity
Protect your sensitive assets with confidence. Lock your PDFs instantly with advanced encryption. No installation, no waiting — just secure access whenever you need it. Keep control of your documents every step of the way.
What users are saying about our online tool
RJ
Robert J Frank
FR • 1 review
Invited
Your program worked easily
Your program worked easily. Others I was not able to get results. Thank You
Date of experience: June 24, 2025
GR
Greg
HU • 1 review
Invited
One click solution
Very user friendly UI and I got my file within a second with one click plus an extra click for the download
Date of experience: May 30, 2025
MB
Michael B.
US • 3 reviews
Invited
Easy to use
Really easy to use and it does a great job.
Date of experience: June 14, 2025
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