Protect PDF

Encrypt an unencrypted PDF locally with a password required to open the downloaded copy.

Protect PDF

Work with your file locally, then download a new result.

Drop your PDF here

or

Supports: PDF
Maximum: 100 MB per file

A separate owner key is generated locally and is never displayed or logged.

Private: processing happens locally in your browser.

How it works

  1. Choose one PDF
  2. Enter and confirm an open password
  3. Encrypt and download the protected PDF

Use cases

  • Protect a report before sharing
  • Add an open-password barrier
  • Create a private copy for storage

Supported formats

Input: PDF

Output: PDF

Limitations

  • This version accepts unencrypted PDFs only.
  • The password cannot be recovered after you leave the page.
  • Password protection is not a substitute for secure sharing or document classification.

Privacy

Processing happens locally in your browser. Your file is not uploaded to iAgent7 Tools or a third-party API.

File names, file contents, and results are not sent to analytics or error logs.

Frequently asked questions

Is Protect PDF free to use?

Protect PDF is free to use and does not require an account or subscription.

Does Protect PDF upload my PDF?

No. Processing happens in your browser, and your PDF is not uploaded to our servers.

What happens when I close Protect PDF?

The site cannot recover your selected file or result after you refresh or close the page.

Last updated: 2026-08-28