Protect PDF
Add a password to a PDF. It uses AES-256 encryption.
Runs in this tab · nothing is uploaded
- Add a file
- Choose options
- Download the result
Add a file to start.
Your result will appear here
Write the password down. Nobody, including OfficeIMO, can recover it. A password isn't a digital signature.
What to expect
Write the password down. Nobody, including OfficeIMO, can recover it. A password isn't a digital signature.
Read the guideUse it in your own code
The same engine is the OfficeIMO.Pdf package for .NET. Run it on a server, in a script, or in your app, without Microsoft Office.
dotnet add package OfficeIMO.PdfWhat happens to your file
OfficeIMO runs inside this browser tab as WebAssembly. Your file is read here, never uploaded, stored or logged. Close the tab and it's gone.
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