Protect PDF (add password)

Password-protect a PDF with real PDF encryption, so it asks for the password before it opens. Your file is processed in your browser and is never uploaded.

Choose a PDF

Password Confirm password Owner password (optional, defaults to the same password)

How to use Protect PDF (add password)

Enter your details in the tool above and press the main button to get your result. You can copy text results or download file results. Most tools work entirely in your browser, so your files and inputs are not uploaded anywhere, except where the tool page names a public API it calls.

Related tools: Merge PDF, Split PDF, Compress PDF, PDF to Word (DOCX).