Password Protect PDF
Add a password to a PDF so only you can open it.
Drop a file here
or click to choose a PDF
How to Password Protect PDF
Free PDF protector, with no sign-up and no watermark.
- Upload your PDF.
- Type a password (twice).
- Press Protect PDF to download the encrypted file.
Password Protect PDF FAQ
How do I password-protect a PDF for free?
Upload the PDF, type a password twice and press Protect PDF. Free, no sign-up, no watermark.
What encryption is used?
AES-128, which all modern PDF readers support. Without the password the PDF cannot be opened.
Is my password stored?
No. It is held only in memory while the file is encrypted, never logged or saved.