Protect a PDF on Windows
Protect a PDF on Windows without installing anything. Open the tool in your browser, drag files from any folder, and download the result. Works on Windows 10 and Windows 11.
Windows users usually reach for a PDF program — but the built-in options are limited, and installing dedicated software for one job is overkill. This browser-based tool works on any Windows PC, including work machines where you can't install software.
Drag files straight from File Explorer into the upload area, choose your options, and download the result. Nothing is installed, and your files are deleted from our servers within 12 hours.
Why use this merger
No Windows install
Works in Edge, Chrome, or Firefox — no program to download, install, or keep updated.
Drag from File Explorer
Drag files straight from any Explorer folder directly into the tool window.
Works on locked-down PCs
Browser-based means it runs on work and school machines where installing apps is blocked.
Clean output
No watermark added — ready for sharing or printing.
How to protect a pdf on windows
- 1
Open the tool in your browser
Use Edge, Chrome, or Firefox on any Windows 10 or Windows 11 PC.
- 2
Drag files from Explorer
Drag files from any folder into the upload area, or click to browse.
- 3
Process and save
Run the protect and download the result to your chosen folder.