Password protect a PDF
Add a password so only authorized people can open your document.
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Drop your PDF here, or click to browse
One file at a time (50 MB max)
Password-protecting a PDF ensures only people who know the password can open it — useful for confidential documents sent by email or stored on a shared drive.
How to password protect a PDF
- 1Upload your PDF — The document you want to protect is loaded into the tool.
- 2Set a password — Choose a sufficiently strong password and confirm it to avoid typing mistakes.
- 3Download the protected document — The encrypted PDF is generated and downloads, now requiring that password to open.
Why use this tool?
- ✓ Compatible with virtually every PDF reader on the market.
- ✓ Fully local processing, your password is never sent to a server.
- ✓ A simple, fast safeguard with no software to install.
Frequently asked questions
What happens if I forget the password?
The document becomes impossible to open; keep the password somewhere safe, as it can't be recovered.
Does this also prevent printing or copying?
No, this tool only protects opening the document with a password; it doesn't restrict other permissions like printing.