PDF Security: the complete guide
Redact sensitive information permanently and protect PDFs with passwords and permissions.
Open the editorHow to redact a PDF
Black boxes alone don't hide text; true redaction removes it.
How to black out text in a PDF
Check by trying to copy text from the saved file.
How to password protect a PDF
Share the password through a different channel.
How to restrict printing of a PDF
Permissions need an owner password to be enforced.
How to restrict copying from a PDF
Combine with a password for stronger control.
How to remove an account number from a PDF
Leave the last four digits if the recipient needs them.
How to edit a PDF privately
Avoid editors that keep copies of your files.
How to share a PDF securely
Delete shared copies you no longer need.