Password Protect PDF

Lock your PDF with a password in seconds. Upload a PDF, choose a password, and download your encrypted file. Simple, secure, and free.

Encrypt and Lock Your PDF

Max size 20MB. We never store your files permanently.

Use at least 8 characters with letters, numbers, and symbols.

Unlock a PDF
How to password protect a PDF?

Follow these steps to add a password to your PDF:

  1. Drag and drop your PDF in the toolbox or import from Dropbox/Google Drive.
  2. Enter the password you want to set for the file.
  3. Click Encrypt PDF to lock your document.
  4. Download your password-protected PDF.
What is PDF encryption?

PDF encryption protects your document so only people with the correct password can open it. It uses strong cryptography to keep your content safe and can also prevent editing or printing depending on settings.

Is password protection secure enough?

For everyday documents, password protection is a practical solution. For sensitive content, choose a long, unique password and share it securely. Our tool uses modern encryption to help keep your files safe.

Can I remove the password later?

Yes. Use our Unlock PDF tool to remove password protection when needed.

Password protect PDF is the easiest way to lock a document online without hassle. Add access control with a password so only intended recipients can open your file. While simple passwords may be forgotten or shared, strong encryption makes breaking protection significantly harder. Choose a robust passphrase, keep it private, and your PDF will remain secure.