Sets a password on a PDF so it can't be opened, in any viewer, without the correct password.
For example: You're emailing a client an invoice or contract and want to make sure no one who accidentally receives the email can open it — password-protect the file before sending.
Who uses it most: Accountants, lawyers, HR specialists, office workers
Yes — setting a password happens on a server, one of the few server-side tools on the site. The file is deleted right after the response — see the Privacy Policy for details.
There's no way to recover access — keep the password somewhere safe; the tool doesn't store or remember it.