Security Tool

Protect your PDF with a password

Encrypt any PDF with a strong password in seconds. Your file stays private — processed in your browser and never stored on our servers.

1

Upload your PDF — drag and drop or click to browse

2

Set a password — choose a strong password to lock your file

3

Download — your encrypted PDF is ready instantly

Drop your PDF here

or click to browse — PDF files only

document.pdf
0 KB
Please enter a password.
Passwords do not match.

Permissions

Allow printing
Allow copying text
Allow editing
Remember your password. If you lose it, the PDF cannot be recovered — there is no way to remove the protection without it.
Encrypting your PDF…

Your PDF is protected!

The file has been encrypted with your password. Keep it safe — without it, the PDF cannot be opened.

Download Protected PDF

256-bit AES encryption

Your PDF is locked using AES-256, the same standard used by banks and governments worldwide.

Files never leave your browser

All processing happens locally in your browser. Your document is never uploaded to any server.

Done in seconds

No waiting, no queues. Your protected PDF is ready to download the moment you click Protect.

Yes. The file is encrypted using AES-256 via the Web Crypto API — the same standard used by banks and governments. It can only be opened with the correct password.
No. Everything happens locally in your browser. Your PDF never leaves your device — we have no access to your files or your password.
The file cannot be recovered without the password. There is no backdoor or reset option — store it somewhere safe.
Yes — works on any modern mobile browser including Safari on iOS and Chrome on Android.