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Protect PDF

Password-Protect PDF Online

Add an open password and optional print or copy restrictions

Drop PDF here

or select a file from your device

Supported: .pdf

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Password strength will appear as you type
Passwords do not match.
Owner passwords do not match.
User password is required. We cannot recover a lost password after encryption. If owner password is blank, user password is reused for permissions.

Protection Applied

Your protected PDF is ready.

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Security Notes
Use strong passwords for sensitive documents.
Share passwords via a secure channel only.
Losing the password can make the file inaccessible.

Guide

Password-Protect PDF Online — Complete Guide

Add password encryption to sensitive PDFs before email or cloud sharing. PdfPeaks lets you set an open password and optional permission limits (printing, copying) so only people with the password can open confidential files such as ID scans, payroll, and contracts.

How It Works

Upload

Select the PDF to encrypt.

Secure

Set the open password and optional print/copy restrictions.

Share safely

Distribute the PDF and the password separately.

Security & Privacy

Files are encrypted in transit and deleted after processing — see our Privacy Policy for details.

Common Use Cases

  • HR: Protect payroll and personnel PDFs.
  • Healthcare: Encrypt patient-related exports before transfer.
  • Finance: Lock tax returns and bank statements.
  • Legal: Limit copying of draft agreements.
  • ID & KYC: Secure scanned IDs after ID Card to PDF.

Tips for Best Results

We cannot recover a lost password after encryption — store it in a password manager. To remove protection you control, use Unlock PDF. Background: how PDF passwords work.

Related guides

Browse all PDF & image guides

Frequently Asked Questions

A user password to open the file, and optional restrictions on printing, copying, or editing depending on the options on the page.

Never in the same email as the PDF. Use SMS, a password manager, or another channel.

We cannot recover it after encryption. Store it in a password manager before you protect the file.

Yes. Convert photos with <a href="/pdf/idcardtopdf">ID Card to PDF</a>, then Protect PDF before you share for KYC.

Yes for standard use. Files are encrypted in transit and deleted after processing. See the Privacy Policy for details.

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