Welcome to the Nitro PDF Pro user guide
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Filters
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Document Management
Add a document
You can add documents to My Documents from both your local machine as well as the following storage providers:
Getting Started
Activation
To continue using Nitro Pro after the trial period has expired, it is necessary to purchase a license that must be activated on your computer. Activation ensures that you have bought a genuine Nitro product by linking the software license to the computer on which it is installed.
Review and Comment
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.
View and Navigate PDF Files
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.
JavaScript
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.
JavaScript
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.
JavaScript
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.
JavaScript
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.
Review and Comment
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.
Review and Comment
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.
Electronic Signatures
A leader in e-signatures
Nitro Sign recognized as a Leader in the 2022 GigaOm Radar Report for eSignatures. Learn more about GigaOm’s evaluation and analysis of the top eSignature vendors in the category.