PDF Protection Tool

Add password protection to your PDF files. Set user and owner passwords with custom permissions to control printing, editing, and copying.

Click or drag a PDF file here

Upload a PDF to add password protection

About TooliFyra PDF Protection Tool

Need a PDF protection tool free of charge? TooliFyra lets you add password and encryption to PDF documents in seconds. Set a user password to restrict opening, an owner password to control permissions, and configure exactly who can print, edit, or copy your document — all processing happens locally in your browser.

Key Features

Dual Password System

Set separate user and owner passwords for flexible access control — one to open, one to manage permissions.

Granular Permissions

Control printing, modifying, copying, annotations, form filling, and accessibility with fine-grained settings.

100% Client-Side

Your passwords and documents never leave your device. Everything is encrypted locally in your browser.

How to Protect a PDF Online

  1. Upload Your PDF: Drag and drop your PDF file into the upload zone or click to browse.
  2. Set Passwords: Enter a user password to restrict opening and/or an owner password for permissions.
  3. Configure Permissions: Select which actions to allow — printing, editing, copying, and more.
  4. Download Protected PDF: Save your encrypted, password-protected PDF instantly.

Benefits

Password protecting PDFs prevents unauthorized access and ensures sensitive information remains confidential. Permission controls let you share documents while restricting who can edit, print, or copy content.

Use Cases

Business: Protect confidential reports, proposals, and financial documents from unauthorized access.

Legal: Secure sensitive legal contracts, NDAs, and court documents with strong encryption.

Education: Protect exam papers, answer keys, and confidential academic materials.

Why TooliFyra?

TooliFyra processes everything locally — your passwords and documents never touch a server. Free, no watermarks, unlimited usage with complete privacy protection.

FAQ

Can I remove password protection later?

Yes, use our PDF Password Remover tool with the owner password to unlock the document.

What happens if I forget the owner password?

The owner password is required to change permissions. Keep it safe — there's no recovery option.

Is my password sent to a server?

No. Everything is processed locally in your browser. Nothing is uploaded to any server.