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The ability to read, write and fill in form fields in PDFs allows users to directly interact with electronic forms embedded within PDF documents. This includes reading existing text in fields, entering new information, selecting options from checkboxes or dropdown menus, and even digitally signing completed forms. This functionality significantly streamlines workflows by saving time and effort compared to traditional paper forms, reducing printing and signing overhead, and enabling electronic storage and retrieval of filled forms.
Several PDF components for WPF support the reading and writing of form fields, including:
For an in-depth analysis of features and price, visit our WPF PDF Components comparison.

Syncfusion Essential Studio Flutter, available as part of Syncfusion Essential Studio Enterprise, is a powerful UI toolkit that enables you to build beautiful and performant mobile apps for Android and iOS using Flutter. It provides a rich suite of pre-built widgets for common design elements like charts, data grids, calendars, and PDF viewers. These widgets are highly customizable and allow you to quickly implement stunning visuals and advanced functionalities without spending time on repetitive coding.
Version 2023 Volume 4 (24.1.41) adds the ability to add, remove, and modify text markups such as highlights, underlines, and strikethroughs directly within PDF files. This allows you to directly highlight crucial sentences, underline key concepts, and strikethrough outdated info, all within the document itself.
To see a full list of what's new in version 2023 Volume 4 (24.1.41), see our release notes.
Syncfusion Essential Studio Flutter is available as part of Syncfusion Essential Studio Enterprise which is licensed per developer starting with a Team License of up to five developers. It is available as a 12 Month Timed Subscription License which includes support and maintenance. See our Syncfusion Essential Studio Enterprise licensing page for full details.
For more information, visit our Syncfusion Essential Studio Flutter product page.

IronPDF for .NET empowers developers with a user-friendly C# library to generate, edit, and manage PDFs. It leverages a familiar HTML/CSS foundation for effortless PDF creation, while also offering robust features like text extraction, OCR, signing, and more. This comprehensive solution simplifies complex PDF development tasks, saving time and boosting productivity for .NET projects.
The IronPDF for .NET 2024.1.20 release unleashes the power of ChatGPT directly within your PDF workflows through the IronPdf.Extensions.AI NuGet package. This seamless integration with OpenAI unlocks a world of possibilities, from automating tasks and extracting insights with advanced AI models to summarizing documents, making intelligent queries, and even crafting PDFs fueled by artificial intelligence. This new functionality requires you to use your own OpenAI API key.
To see a full list of what's new in v2024.1.20, see our release notes.
IronPDF for .NET is licensed based on the number of developers, organization locations and projects, and is available as a Perpetual license with one free year of product updates and support services. See our IronPDF for .NET licensing page for full details.
IronPDF for .NET is available to buy in the following products:

XFINIUM.PDF CROSS-PLATFORM BUNDLE is a software development library that lets you write PDF applications once and run them natively on multiple platforms, including .NET, Windows Forms, and Xamarin. This eliminates the need for separate codebases for each platform, saving you time and effort while ensuring consistent functionality across devices.
The XFINIUM.PDF CROSS-PLATFORM BUNDLE V12.2.2 release adds support for .NET 8. This allows developers to enjoy the performance boosts, enhanced cross-platform compatibility, and new APIs in the latest version of Microsoft's popular development framework.
To see a full list of what's new in version 12.2.2, see our release notes.
XFINIUM.PDF CROSS-PLATFORM BUNDLE is licensed per developer and is run-time royalty free. All licenses include a 12 month subscription which provides all major and minor product updates and technical support.
See our XFINIUM.PDF CROSS-PLATFORM BUNDLE licensing page for full details.
For more information, visit our XFINIUM.PDF CROSS-PLATFORM BUNDLE product page.

Editing PDFs programmatically allows developers to transcend manual manipulation and embrace code-driven control. By leveraging dedicated libraries and C#, applications can now extract data, update content, and dynamically generate complex documents, all without user intervention. This unlocks profound efficiency gains, automates repetitive tasks, and empowers developers to integrate sophisticated document automation directly into their .NET workflows.
Several .NET components support programmatic editing of PDFs including:
For an in-depth analysis of features and price, visit our .NET PDF Components comparison.