Protect PDF
AES-256Encrypt a PDF with AES-256 so only people with the password can open it.
Secure uploads • Deleted within 1 hour
Step-by-step guide
How to Use Protect PDF
Three simple steps, no account needed.
Add Your File
Drag and drop into the upload area, or click to browse files on your device.
Choose Your Settings
Pick the options you need and start. A progress bar keeps you updated while your file is being prepared.
Download Your File
Save your finished file as soon as it is ready. Uploads and results are deleted automatically within 1 hour.
Explore More PDF Tools
Every tool is free to use, with no sign-up.
Unlock PDF
Remove the password from a protected PDF you can open, so it no longer asks for one.
Split PDF
Split a PDF into separate files or pull out selected pages, downloaded together as a ZIP.
Merge PDFs
Combine multiple PDF files into one document, in your chosen order.
Compress PDF
Shrink a PDF with three compression levels, from smallest file to highest quality.