Password-Protect a PDF
If your PDF contains personal, legal, financial, or business information, adding a password is a smart way to keep it private. Password protection helps prevent unauthorized access and adds friction for anyone who should not be opening the file.
Why Add a Password to a PDF?
- Protect sensitive information
- Secure files sent by email
- Add privacy to stored documents
- Reduce accidental access by the wrong person
How to Add a Password to a PDF
- Upload the PDF
- Enter the password you want to use
- Apply protection
- Download the secured PDF
Tips for Stronger PDF Security
- Use a strong, unique password
- Store it somewhere safe
- Send the password separately from the file
- Test the protected file before sharing
Alternatives and Related Tools
If you later need to remove protection from a file you own, you can unlock it with the correct password.
Secure Your PDF
Lock the file before you send it and sleep a little better.
