๐
Lock PDF
Password protect your PDF files. Prevent unauthorized access with AES-256 encryption.
โ 100% Free
๐ SSL Secure
โก Instant
๐๏ธ Auto-deleted 1hr
๐
Drag & Drop your file here
or click the button below to browse your device
Accepted: PDF • Max 50MB • SSL encrypted • Auto-deleted in 1 hour
๐ Guide
How to Use Lock PDF
1
Upload PDF
2
Enter a strong password
3
Set permissions (print, copy, edit)
4
Download your protected PDF
โจ Features
Why Use Our Lock PDF
AES-256 Encryption
Military-grade encryption keeps your PDF secure.
Permission Control
Allow or restrict printing, copying and editing.
Standard Compliant
Fully compatible with all PDF readers.
Free
Protect unlimited PDFs.
โ FAQ
Questions about Lock PDF
We use AES-256 bit encryption, the same standard used by banks and governments.
Yes, set a user password for opening and an owner password for editing permissions.
Try Lock PDF Now โ It's Free!
No sign-up. No watermarks. SSL encrypted. Auto-deleted in 1 hour.