Encrypt your PDF with a password for enhanced security. Keep your sensitive documents safe.
Simple steps to process your files securely in your browser.
Drag & drop the PDF file you want to secure.
Enter a strong password to encrypt your document.
Apply encryption and download your protected PDF instantly.
Fast, secure, and free online tool for your daily needs.
Uses industry-standard AES encryption to ensure your documents remain secure.
Encryption happens in your browser. Your file and password are never sent to our servers.
Protected PDFs can be opened on any device with the correct password.
No. Since we don't store your passwords or files, there is no way for us to recover a lost password. Please remember it.
Yes, absolutely. The encryption is performed locally on your device using standard web cryptographic libraries.
Since processing is local, the limit depends on your device's memory. Most standard PDF documents work perfectly.