Built on Protect PDF

Protect PDF with password

Lock down sensitive documents with a strong password. Set permissions for printing, copying and editing, and ship a PDF only the right people can read.

Browser-side Sub-second 4.9 / 5

Options

⚠ AES-256 encryption uses our server-side engine for true cryptographic protection. The browser-only flow currently flags metadata — full encryption coming with our WASM-qpdf release.

🔒 100% browser-side · no upload

Why use GoluPDFs for this?

  • 1Strong password protection
  • 2Granular permissions
  • 3Built-in password generator
  • 4Free and unlimited

What you get inside Protect PDF

  • AES-256 encryption
  • Owner & user passwords
  • Granular permissions (print, copy, edit)
  • Built-in password generator
  • Security strength analytics

Frequently asked questions

Yes. PDF Password Protector is 100% free, with no watermarks or daily limits. All processing happens in your browser, so there's no upload to our servers.