Syncfusion .NET PDF Library

SyncfusionPDF Tools.NETFlutter WidgetJava

Add comprehensive PDF processing capabilities to your .NET applications.

  • Create, read, and modify PDF documents easily with C# APIs.
  • Support for forms, annotations, security, digital signatures, and OCR.
  • Optimize, merge, split, and convert PDFs for versatile document workflows.
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Available in
Syncfusion Essential Studio Document SDKLoading
Syncfusion Essential Studio EnterpriseLoading
Syncfusion .NET PDF Library product image
Syncfusion .NET PDF Library provides developers with extensive APIs to programmatically generate, edit, secure, and manage PDF files within their applications. It supports a wide range of PDF functionalities such as form creation, annotations, encryption, digital signatures, OCR for scanned documents, and content extraction, enabling robust document processing without external dependencies.

PDF Creation and Editing

Generate new PDF documents from scratch and make programmatic modifications to existing ones, including adding text, images, shapes, tables, and formatting with ease.

Forms Support

Create, edit, fill, and flatten interactive PDF forms including AcroForm types, with support for various field types such as text boxes, checkboxes, radio buttons, and combo boxes.

Annotations and Interactive Features

Add and manage multiple annotation types including highlights, text markup, pop-ups, file attachments, and bookmarks to enhance document interactivity and collaboration.

Document Organization

Merge, append, split, and rearrange PDF pages or entire documents, as well as create portfolios to bundle related files efficiently.

Security and Encryption

Secure PDF files with AES and RC4 encryption standards, apply user and owner passwords, add redactions, and digitally sign documents using x509 certificates, including certificates stored in hardware security modules (HSMs) through standard .NET cryptographic providers.

Data Extraction and Conversion

Extract text and images while preserving layout, perform optical character recognition (OCR) on scanned PDFs, and convert between text and PDF formats to facilitate data reuse and accessibility.

Advanced Graphics and Images

Embed and manipulate raster images like JPEG, PNG, TIFF as well as vector images such as SVG and EMF; draw custom shapes and apply patterns and gradients to graphics.

Table Support

Create richly formatted tables with features like data binding from various sources, cell merging, pagination across pages, and styling options similar to Microsoft Word.

Accessibility and Compliance

Produce tagged PDFs compliant with accessibility standards including PDF/UA and Section 508 to support assistive technologies and facilitate long-term archival with PDF/A conformance.

HTML To PDF Conversion

Convert HTML content, web pages, and CSS-styled layouts into PDF documents programmatically. The library supports rendering modern HTML elements, images, and styles, enabling developers to generate pixel-accurate PDFs from dynamic web content within .NET applications.

Product Compatibility

Review the details below to ensure this product is supported within your environment.

Component Type

  • .NET
  • Flutter Widget
  • Java

.NET Version

  • .NET 10 LTS
  • .NET 9 STS
  • .NET 8 LTS
  • .NET 4.8 or earlier

.NET Platform

  • .NET Assembly
  • .NET Class

Java Platform

  • Java Class

IDE Support

  • Visual Studio