🔐 PDF Encryption Studio
Secure your documents with AES‑256 – no uploads, 100% private
AES‑256
Zero‑Knowledge
Instant
No Upload
Drop your PDF here
or click to browse
Password strength
Not set
Ready to encrypt your PDF
100% private: Your file never leaves your device. All processing happens locally.
How to encrypt a PDF
1
Select your PDF
Drag & drop or click to browse
2
Create a strong password
Minimum 6 characters, mix letters & numbers
3
Encrypt
Click the button – we apply AES‑256
4
Download & share
Password required to open – works in any PDF reader