The watermarks tool lets you insert text, images, and other PDF files into one or more pages in a PDF document. You have full control over the position, size, opacity, and other properties of your watermarks, and you can save them for reuse. You can also import and export watermark profiles to share them with other people. Watermark profiles contain one or more watermarks or backgrounds.

Nitro Pro provides tools so you can undo actions that you made, as well as redo actions that you have undone.

Nitro Pro allows you to select and copy text and images in your PDF document, and also use it in other applications. With Nitro Pro, you can copy text with or without formatting. Copy text with formatting is useful when you need to retain formatting characteristics.

With the right PDF editing tools, you can minimize the amount of time you spend switching between different programs and file types. Nitro Pro includes an extensive set of tools to edit the text, graphics, and pages in your existing PDFs, as well as prepare and polish them for distribution.

The Header & Footer tool lets you insert text, images, and other PDF files into one or more pages in a PDF document. You have full control over the position, size, opacity, and other properties of your headers and footers, and you can save them for reuse. You can also import and export header and footer profiles to share them with other people. Header and footer profiles contain one or more headers and footers.

The properties of fonts vary significantly depending on the settings used during the creation of a PDF file. This can affect your ability to edit text in the PDF file. In particular, PDF files that contain subset fonts can be problematic when last-minute edits are required. Font embedding assists with accurately rendering a PDF file to screen or print. If you want to use a font when you edit a PDF file, the font must be installed on your system.

Nitro Pro supports combining PDF files and any other file type you provide, as long as you have an application installed on your computer that can view that file type. Nitro Pro will convert other types of files to PDF in the background, and then combine together every PDF file in the order specified.

Bates numbering is useful in legal and other fields that need all pages in a document collection to be labelled, accounted for, and easy to locate. The Bates numbering tool allows you to add a unique number to each page. You can start the numbering at any point and, when processing more than one document, continue the numbering across the documents.

In addition to containing text and graphics, PDF files can contain entire files inside them as attachments. This makes exchanging sets of documents easier and more reliable. The Attachments pane provides you a central place to view, insert, delete, and export attachments.

The annotation layer floats above the content layer in a PDF file, like a sheet of glass on top of a printed sheet of paper. The content layer contains images, form fields, and most text. When you convert a Word document to a PDF, the content written by the original author forms the content layer. Many PDF files contain the content layer only.

Nitro Pro includes tools so you can add new text to a PDF document, or make last-minute corrections and updates, without the need to re-open the source files in the authoring program.