pdf protect
Add a password to your PDF — no uploads, no accounts.
Click to choose a PDF or drop it here
single file only
Password
Confirm password
🔒 Password encryption is applied using PDF standard security. Keep your password safe — there is no way to recover it if lost.
Protecting PDF, please wait…
⭐ If you like this tool, add it to your Favorites!
How to use PDF Protect
Upload PDF, enter a password, confirm it, & click protect. Runs in your browser — no uploads to server.
Why password protect a PDF?
Protect sensitive documents contracts, financial reports, and personal records so people with the password can open them.
FAQ
What encryption is used?
PDF standard 128-bit RC4 encryption — compatible with all modern PDF readers.
Can I recover the password if I forget it?
No — keep password safe. Use Unlock PDF tool if you have the correct password.
Is my file stored anywhere?
No — Happens in your browser. No uploads to any server.
Will the protected PDF work on all devices?
Yes — password protected PDFs open in Adobe Acrobat, Preview, Chrome, and standard PDF readers.
Can I also remove a password?
Yes — use our Unlock PDF tool to remove password protection.