PDF Security · AES-256

Password Lock
Your PDF

Encrypt any PDF with AES-256 — open it in Chrome, Preview, Acrobat, or any modern reader.

📄

Drop your PDF here

Drag & drop or click to browse
Any PDF · Any size · Stays private

100% IN-BROWSER · ZERO UPLOAD · ZERO STORAGE

🔐 AES-256

Industry-standard AES-256 encryption — the same used by banks and governments.

⚡ Instant download

Click Lock PDF and your encrypted file downloads automatically — no extra step.

📂 Universal

Opens in Adobe Acrobat, macOS Preview, Chrome, Edge, Firefox — any modern reader.