Protect PDF with Password
Lock sensitive PDFs with a password so only the right people can open them. Set permissions for printing and copying too. Your file is protected right in your browser — nothing is uploaded to any server.
Drag & drop a PDF here
or click to browse from your device
File:
Permissions for people who open it
How to use
- Click the box above or drag and drop your PDF into it.
- Type a strong open password and confirm it.
- Choose which permissions (printing, copying, editing) people with the password will have.
- Click Protect & Download PDF. Test the downloaded file once to make sure the password works.
Tips
- Use a long password with letters and numbers — short passwords are easy to guess.
- Send the password through a different channel than the file itself.
- Test the downloaded file on another device to confirm the password works.
- Remember: if you forget the password, the file cannot be recovered.
Frequently Asked Questions (FAQ)
What does the Protect PDF tool do?
It locks your PDF with an open password so only people who know the password can open the file. You can also control whether people with the password can print, copy text, edit or comment.
Is my PDF uploaded anywhere?
No. Your file and your password never leave your browser — everything runs on your phone or computer, nothing is uploaded.
What happens if I forget my PDF password?
The file cannot be opened again and the password cannot be recovered for you, so keep it somewhere safe.
Is the tool free?
Yes, it is completely free with no signup.
What do I need to protect a PDF?
Open the PDF in the box, type and confirm a strong open password, choose the permissions, then click Protect & Download PDF.