Password Protect PDF
Encrypt your PDF with a strong password.
100% In-Browser • Zero Uploads
No Login Required
Drop your PDF here to protect
About Password Protect PDF
Secure your sensitive documents by adding 256-bit AES encryption. Only people with the password will be able to open the file.
100% Client-Side
Your files and data are processed locally in your browser memory. Never uploaded to remote servers.
Zero Login Required
Instant access with no account, no email sign-up, no passwords, and no subscription paywalls.
Instant Speed
Powered by modern WebAssembly and native web APIs for near-instant rendering and zero latency.
Privacy Guaranteed
Zero data retention, no user tracking cookies, and GDPR/HIPAA friendly. Your data remains strictly yours.
All Devices Ready
Fully responsive on desktop, tablet, and mobile devices without installing software or extensions.
How to Use
- Upload the PDF you want to protect.
- Enter a strong password.
- Confirm the password.
- Click Protect and download your secure PDF.