Password protect a PDF
Upload a PDF, enter the required passwords, select permissions and create the protected file.
Free online PDF tool
Protect PDF Online
Add owner and optional user passwords to a PDF and control document permissions.
Protect PDF
Simple browser-based workflow
No complicated desktop workflow is required. Choose the appropriate file, apply the available settings and download the generated result.
Tips for better results
Use a valid, readable source file and review the available options before processing. Complex layouts, damaged files and scanned content can affect output quality.
Frequently asked questions
Do I need to install software?
No. This tool runs through a modern web browser.
Will the original file be changed?
No. The tool creates a new output file and does not overwrite the original document on your device.
Can I use this tool on mobile?
Yes. The page is designed to work on supported desktop, tablet and mobile browsers.