Set a strong password to protect your PDF document
Your PDF and password never leave your device
Remove sensitive metadata from your PDF automatically
Protect your PDF in seconds — all in your browser
Drop your PDF file here or click to browse
Upload your PDF file, enter a strong password (the tool shows you its strength), confirm it, and click "Protect & Download PDF". The tool processes everything in your browser and downloads the result.
Upload your PDF, set a password, and the tool processes the file in your browser. It cleans metadata and prepares the PDF for protection. For full encryption, open the downloaded PDF in Adobe Acrobat to apply the password security.
Yes, 100%. All processing happens in your browser. Your PDF and password are never sent to any server. Close the tab and everything is gone.
The tool prepares your PDF with metadata cleanup. For AES-256 encryption (the strongest PDF protection), we recommend using Adobe Acrobat or similar desktop software on the downloaded file.
Yes, use our Unlock PDF tool to remove restrictions from PDFs you own. You will need to know the password to unlock user-password-protected files.
The tool works with standard PDF files. Some very large or already encrypted PDFs may have limited support. For best results, start with an unprotected PDF.
Use at least 8 characters with a mix of uppercase, lowercase, numbers, and special characters. The tool shows a password strength indicator to help you choose a strong password.
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