Password Protect PDF Free Online

Password protect PDF free online. Add an open password or permission lock in your browser — no upload, no registration. Unlock PDFs you can open, too.

✓ Set open password✓ Set permission password✓ Remove existing password✓ Browser-based, secure and reliable

Upload PDF

Add password protection

Drag files here, or click to select

Supports files up to 50.00 MB

Encryption guide

🔒 Open password: Required to open the PDF

🔑 Permission password: Can restrict printing and other rights

⚠️ Remember passwords — they cannot be recovered if lost

🔒 Processing stays in your browser

Support

Frequently Asked Questions

Upload your PDF, keep the Encrypt mode, enter an open password, and click Encrypt — then download. The whole flow is free and runs entirely in your browser, so the file never leaves your device.
Yes. Password protect and unlock flows are free and run in your browser with no registration for standard use.
Yes, all processing is done in your browser. Your PDF and passwords never leave your device.
An open password is required to view the file. A permission password can restrict printing or editing depending on the options you set.
If you know the password, you can remove protection in the browser. We cannot crack unknown passwords.

Quick start

How to Use Protect PDF

1

Upload PDF

Upload the PDF you want to protect or unlock.

2

Choose mode

Switch between encrypt and decrypt.

3

Set password

Enter passwords and optional permissions.

4

Download

Download the protected or unlocked PDF.

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About this tool · PDF Tools

Free online password protect pdf free: how Password Protect PDF Free Online works

Password Protect PDF Free Online on TextExtraction.online is a free password protect pdf free tool for password protect pdf, password protect pdf online free, how to password protect a pdf. Password protect PDF free online. Add an open password or permission lock in your browser — no upload, no registration. Unlock PDFs you can open, too. Processing runs in your browser, so files stay on your device for privacy.

Why use this free password protect pdf free tool?

  • Set open password
  • Set permission password
  • Remove existing password
  • Browser-based, secure and reliable
  • No registration required for standard use — open the page and start immediately.
  • Works on phone, tablet, and desktop modern browsers with a mobile-friendly layout.

When to use Password Protect PDF Free Online

Choose Password Protect PDF Free Online when you need a free online password protect pdf free workflow without installing desktop software. Browser PDF utilities are ideal for quick merge, split, compress, rotate, protect, and convert tasks. For more free OCR and document tools, return to the TextExtraction homepage.

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