Protect PDF

Add password protection to your PDF to prevent unauthorized access.

Next steps

Use this checklist to turn a new account into a repeatable workflow.

Account

Complete your first signed-in task

Process at least one file while logged in so your workspace history and metrics start filling in.

Account

Decide if you need Pro limits

Upgrade when you need higher quotas, API access, or a cleaner team workflow.

Pricing

Create an API key

Pro users can generate API keys to connect document processing to internal tools or customer flows.

Get an API key

What This Tool Does

Add password protection and encryption to your PDF files. Prevent unauthorized users from opening, copying, or printing your sensitive documents. Uses industry-standard PDF encryption.

How to Use It

  1. Upload your PDF file.
  2. Enter and confirm a strong password.
  3. Click Protect to encrypt the document.
  4. Download the password-protected PDF.

Why Use Our Protect PDF?

  • Industry-standard PDF encryption
  • Prevent unauthorized access
  • Protect sensitive business documents
  • Free and no signup required
  • Password confirmation to prevent typos

Common Use Cases

  • Securing confidential business reports
  • Protecting legal documents before sharing
  • Encrypting financial statements or tax records
  • Adding security to medical or personal records
  • Sharing sensitive information via email safely

Frequently Asked Questions

Upload your PDF, set a password (and confirm it), and download the encrypted file. Only people with the password can open it.

Related Tools

Suggested Tools for Your File

After uploading, we automatically show compatible tools: text editing, highlighting, merge/split, compress, convert to Word/image, video to GIF, and more.