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Overview

PDF forms provide the best way to collect information from the users. Essential PDF is a .NET PDF library used to enhance your application with creation of attractive PDF forms fields in a minute or less. Create, modify, fill, and flatten PDF forms fields to be used in .NET applications like Windows Forms, WPF, ASP.NET (Web Forms, MVC, Core), UWP, Xamarin.Forms, Xamarin.Android, and Xamarin.iOS.

The Syncfusion Essential .NET PDF library is used to work with interactive PDF forms fields in both AcroForms and XFA. It provides advanced features beyond simple form fields processing.

Feature Overview of C# PDF Forms


C# PDF Forms High Performance

High Performance

Performance of the PDF form filling and creation is high and accurate. For example, creates or fills 1000+ form fields in a second.

Supported C# PDF Form Fields

Supported PDF Form Fields

Supports all PDF form fields such as text box, check box, radio button, combo box, list box, and signature fields.


Read and Modify in C# PDF Form fields

Read and Modify

Access to read and modify form field values and properties. Form fields can be moved around. It is also possible to delete form fields.

C# Fill PDF Form Fields

Fill Form Fields

Supports filling form fields, which includes text box field, checkbox, radio button, dropdown, and signatures fields.


Flatten .NET PDF Form Fields

Flatten Form Fields

Flattening PDF form fields will directly write the values on the page and remove the respective fields, thereby making the form non-editable.

C# PDF Form fields Customization

Customization

Syncfusion Essential PDF supports various customizations for the form fields depending on the form field type, including font, color, border style, highlight type, etc.


Import and Export C# PDF Form Fields

Import and Export Form Fields

Supports import and export of PDF form fields data via FDF, XFDF, JSON, and XML.

JavaScript Action in C# PDF Form fields

PDF JavaScript Action

Extensive support for JavaScript action in PDF. It can be used for validating user input data, calculate form field values by using formula, etc.


XFA C# PDF form fields

XFA

Support to create, fill, and flatten XFA form fields, including text box field, numeric field, date time field, combo box field, radio button, etc.


Other features of PDF form fields

  • Support encrypted PDF form.
  • Set custom appearance to the form fields.
  • Date field using JavaScript.
  • Create PDF template form.
  • Create dynamic and static XFA.
  • Creation of nested XFA sub forms.
  • Validate XFA fields.
  • Remove dynamic XFA fields.


Awards

Greatness—it’s one thing to say you have it, but it means more when others recognize it. Syncfusion is proud to hold the following industry awards.

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