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Protect files in your browser

Protect PDF

Add a password to your PDF and download the protected file easily.

  • Secure Protection
  • Fast Processing
  • Mobile Friendly
  • Easy Download
  • Content Preserved

Upload and protect your PDF

Drop your PDF file here

Drag & drop a PDF to get started, or click to browse.

Accepted type: PDF

No file selected

Upload a PDF to continue.

File size -
Output name -

The tool adds ".pdf" automatically if needed.

This tool only adds password protection. It does not edit page content, images, or text.

Password strength guidance

Add at least 8 characters. A mix of letters, numbers, and symbols is best.

Ready to protect

Upload a PDF and set a password to begin.

Waiting 0%
Download Protected PDF

If your browser previews the file first, use your browser save or share option to keep the protected PDF.

Protect PDF — Free Online Tool

Add password protection to PDF files so only authorized people can open them. Keep contracts, financial records, and personal documents secure.

How It Works

  1. Step 1. Upload your file using the drag-and-drop area above.
  2. Step 2. Adjust any settings, then start processing.
  3. Step 3. Download your result instantly — free, with no watermarks.

100% free · No watermarks · No sign-up required · Secure browser processing