Security Tools
3 free tools · no sign-up
Protect your documents with a password or remove protection from files you own. Use these tools before emailing sensitive PDFs or when you want to open your own statements without typing a password every time.
Security tools process files in a temporary workspace on our server and delete them when you download the result, or after about an hour if you don't.
Protect PDFAdd a password to encrypt a PDF file.Unlock PDFRemove a known password from a PDF file.Redact PDFCover a region of a PDF page with a solid black box to visually redact it.
Frequently asked questions
Can you unlock a PDF if I forgot the password?
No. You need the correct password. The tool only removes protection from files you can already open.
How strong is PDF password protection?
It uses standard PDF encryption. A long, unique password makes it far stronger.