Protect PDF with Password
Lock a PDF with strong AES-256 encryption.
Loading tool…
🔒 Your files are processed in your browser and never uploaded.
How to use Protect PDF with Password
- Choose your PDF.
- Set or enter the password, or choose the repair / metadata option.
- Download the new PDF.
Tip: Only remove passwords from your own documents. Keep the password safe; it cannot be recovered.
Frequently asked questions
Is Protect PDF with Password free?
Yes. All tools on this site are free to use, with no sign-up.
Are my files uploaded?
No. The tool runs inside your browser, so your files stay on your phone or computer and are never sent to our server.
Does it work on mobile?
Yes. It works in Chrome, Safari and other modern browsers on Android, iPhone and computers.
Tool by Adithya Info Hub · Report a problem