Free Protect PDF with Password Online

Add an open password to a PDF you already own, then download the protected copy directly in your browser.

Protect PDF with Password

Add an open password to a PDF and download a protected copy.

🔒 Processes data locally in your browser — input isn’t uploaded or stored.

What This Tool Does

Upload a PDF, add a password locally in your browser, and download the protected copy.

Advertisement

How to Use

  1. Upload your PDF file.
  2. Enter a new password.
  3. Confirm the password.
  4. Optionally rename the output file.
  5. Click Protect PDF.
  6. Download the protected PDF after processing.

Common Mistakes

  • Leaving the password field empty.
  • Entering a confirmation password that does not match.
  • Forgetting the password after downloading the protected file.
  • Assuming the original PDF is changed. This tool creates a new protected copy.

Workflow Notes

  • This tool creates a new password-protected copy of your PDF.
  • Keep the password somewhere safe if the file contains important information.
  • Use this when you want to add basic access control before sharing or storing a document.

Advertisement

Related Tools

Continue with related tools that handle the next step in your workflow.

  • Remove PDF Password - Create an unlocked copy after entering the correct current password.
  • Reorder PDF Pages - Rearrange pages before protecting the final version.
  • Merge PDF - Combine documents before applying one password-protected output.
  • Split PDF - Extract selected pages before securing them.
  • Watermark PDF - Add a watermark before sharing the protected file.
  • PDF Compressor - Reduce file size after creating the protected copy.

FAQ

What kind of password does this add?

This tool adds an open password, which means someone must enter the password before opening the protected PDF.

Does this upload my PDF anywhere?

No. The PDF is processed locally in your browser and is not uploaded or stored.

Will this change my original PDF?

No. The original file stays unchanged. This tool creates a new protected copy for download.

What happens if I forget the password?

You may not be able to open the protected copy later, so it is important to store the password safely.