Protect documents

Set a password, unlock when you have permission, and flatten PDFs. Keep the original, remember the password, and check the document after processing.

Flatten forms and annotations in a PDF online

Fix form fields, visible signatures and supported annotations into the page content to limit editing each object individually.

Password-protect PDF files online

Encrypt a PDF with a password to restrict people without the password from opening and reading the document's content.

Unlock a PDF with a valid password online

Remove the password requirement from a PDF when you know the current password and have the right to change the document's protection.