Protect PDF with Password

Add password protection to secure your PDF documents

Upload PDF File

Click to select a PDF file

About Protect PDF

Protecting a PDF with a password prevents unauthorized people from opening it. This is a simple and effective safeguard for documents containing personal, financial or business information that you need to send over email or store in the cloud.

Golden PDF encrypts the file locally in your browser, so the password and document are never transmitted to a server. Share the password through a different channel from the file itself, such as a phone call or message, for best security.

Common uses

  • Secure a bank statement or tax document before emailing it
  • Protect confidential contracts and proposals
  • Add a password to personal records stored in the cloud
  • Limit access to a draft shared with a small group

Tips for best results

  • Choose a long password that mixes words, numbers and symbols.
  • Store the password in a password manager; there is no way to recover it if you forget it.
  • Keep an unprotected copy in a safe place in case you need to edit the file later.

How to use Protect PDF

  1. 1Upload the PDF to protect.
  2. 2Enter and confirm a strong password.
  3. 3Click protect.
  4. 4Download the encrypted PDF.

Why use Golden PDF

  • Password required to open the file
  • Encryption runs locally
  • Your password is never transmitted
  • Private: files never leave your device
  • Free, with no sign-up

Frequently asked questions

What happens if I forget the password?

We cannot recover it because it is never sent to us. Keep your password somewhere safe.

Is my password sent anywhere?

No. Everything happens on your device in your browser.

Are my files uploaded to a server?

No. Golden PDF processes everything inside your browser on your own device. Your files are never sent to or stored on our servers.

Is this tool really free?

Yes. All Golden PDF tools are free to use with no sign-up, no watermarks and no file-count limits beyond what your device can handle. The site is supported by advertising.

Golden PDF - Free Online PDF & Image Tools

Golden PDF is a free collection of tools to merge, split, compress, convert, rotate and protect PDF files, and to compress, resize and convert images. Everything runs inside your browser, so your files are never uploaded.