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C# .NET PDF form filling library
C# .NET PDF form filling library

Documentation

Guides

FAQ

API

Samples

Benefits / Features:

  • PDFTron SDK benefits include:
  • Fill PDF Forms
  • Read PDF form field values
  • PDF form field flattening
  • Support for all form field properties and appearances
  • Support for encrypted PDF forms
  • Support for FDF (Forms Data Format)
  • Import FDF to PDF
  • Export FDF from PDF
  • Forms templating
  • Form field name management
  • Create new form fields
  • Support for JavaScript calculation in forms

Get Started

Import form data into a PDF

To import XFDF into FDF, then merge data from FDF into PDF.

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Export form data from a PDF

To extract data from PDF to FDF, then export FDF as XFDF.

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Create new form fields and widget annotations

To create new form fields and widget annotations within a new document.

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Fill form fields

To modify values for existing form fields.

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Form flattening

To flatten form fields in a PDF document.

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Try our SDK for free today