User Guide
Nitro PDF Pro for Windows
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Annotation layer and content layer
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.
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Annotate PDF with text mark-up tools
Nitro Pro features mark-up tools to help you draw attention to text that requires revision. These tools are a useful way to combine feedback or comments with every mark-up.
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Alternatives to Printing
Nitro Pro has added convenient feature shortcuts to the Print dialog. These shortcuts represent the most commonly used alternatives to printing, comprising: Fill Form, Add Signature, Review & Markup and Read.
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Align PDF Form Fields to a Grid
With Nitro Pro, you can use grids to assist you in precisely lining up links, form fields, and other objects on a page. When turned on, the grid is visible over your PDF pages; however, grid lines will not be printed when you print your document. You can also customize the grid’s display, setting preferences such as default units, line color, spacing, and other options.
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Adjust the zoom level
When viewing or editing a PDF document, you can adjust the zoom level by using the following tools:
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Add or edit text in a PDF
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.
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Add or edit notes in a PDF
Just as you would with a paper document, you can place notes and write annotations anywhere in a PDF file. Notes let you direct the attention of readers to a specific area of the page, and to include special instructions for a person reviewing the document.
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Add or edit folder level JavaScript
Folder level JavaScripts are JavaScript files (.JS) that are run during application startup. These can be useful for loading reusable JavaScript functions into the application, or accessing methods/properties whose security restrictions only allow them to be run in the app/init event.
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Add or edit document level JavaScript
You can use JavaScript to add an almost infinite number of interactive features, create complex calculation formulas, and add more dynamic functionality to your PDFs.
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Add or edit custom calculation JavaScript
Any form you create that requires calculations is likely to require custom calculation scripts. The options you have available with preset calculation formulas are limited to simple multiplication and addition. Other kind of calculation you need requires writing a script.
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Add an Image to a PDF
The Insert Image tool lets you add images to your PDF files so you don’t need to go back and edit the original source file.
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Add a simplified field notation in a PDF file
Simplified field notation is written more like formulas you add in spreadsheet applications like Microsoft Excel. Writing a notation is often an easier solution when adding calculation scripts.
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Add a link in a PDF file
You can add links manually to your PDF pages by clicking the Link tool and drawing the outline of the link on the page. Once it’s added you can edit its appearance and set the action it should perform when clicked by the user.
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Add a Stamp in a PDF file
Stamp annotations let you add editable stamps to pages as annotations. The built-in stamps (such as Paid, Reviewed, and Approved) give you a simple means to indicate the status of a file. Using the custom stamp feature, you can type your own text to create a stamp, or use any image or PDF file into your own stamp.
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Add Tools
Nitro Pro Add Tools allows you to create an easily accessible group of up to 5 of your most used tools on the Home tab.
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Trial and Activation
Nitro offers a free 14-day trial to explore all its features. To keep using Nitro Pro after the trial, purchase a license and activate it within the application. Activation verifies your genuine Nitro purchase by linking the software license to your computer.
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Accessibility in a PDF file
Visually impaired users who do not have screen reader applications installed on their machine can access the text content in PDF files through the Nitro Screen Reader, which utilizes the Microsoft’s Text to Speech technology built into Windows Vista and above.
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View and validate certificates and signatures
Signatures are validated when a document is opened, and then automatically re-validated when anyone changes the document. The Signatures pane lists all signatures in the PDF document, shows their validity status, and provides a summary of each signature.
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