Security profiles store your security settings, are re-useable, and help you work more quickly. Instead of re-entering passwords or re-adding recipient names every time you use document security, open the PDF file in Nitro Pro and select the security profile from a list. If you use certificate-based security and regularly send files to the same people, security profiles save you a lot of time.

With Nitro Pro, you can apply two different types of security to control who can access your files and what actions they can perform once they receive them: password-based security, and certificate-based security.

Les métadonnées sont des informations de support sur le document PDF. Il peut décrire des propriétés telles que les auteurs, la date de création du document, les numéros de référence, les informations sur les images intégrées, etc.

Redaction permanently removes parts of text or images from a PDF file, and replaces them with black rectangles. This lets you remove sensitive information from a paragraph, table, heading, or a bitmap image. The rest of the document is unaffected, and can be viewed and printed normally.

The usage permission settings let you restrict what features can be used when a recipient opens a file you have secured. This means, for example, that you can distribute documents that can’t be edited or printed, but can be opened and viewed. Using these permission settings with digital ID certificate-based security gives you even greater flexibility as you can set different permissions for each individual recipient of your file.

To restrict access and use of your content, you can secure your PDF file with one of the following types of password:

Digital IDs let you encrypt files that can only be opened and used by people who have exchanged certificates. Certificate-based security has many advantages over password-based security: documents can be opened without the need to remember passwords, Digital IDs cannot be shared or copied easily, the one document can contain different security settings for each recipient of a file. For example, you may grant one person editing and printing privileges, while another is limited to just viewing the file.