Password Protect PDF

Protect PDF files with strong password encryption online for free. Restrict opening, copying, and printing locally in your browser.

Add strong password encryption to your sensitive PDF files. Require a password to open, print, or copy content from your documents with standard AES encryption.

How to use

  1. Upload your PDF document.
  2. Enter and confirm a strong password.
  3. Click "Encrypt PDF" and download your secured file.

Frequently asked questions

Can the server read my password?

No! There is no server involved. AES-256 encryption is computed entirely inside your browser using the Web Crypto API.

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