ComPDF SDK

ComPDFPDF ToolsJavaObjective-C Library.NETJavaScriptFlutter Widget

Integrate comprehensive PDF functionality into web, mobile, and desktop applications.

  • Add PDF viewing, editing, annotation, and signing capabilities to applications.
  • Convert, generate, and process PDF documents across multiple file formats.
  • Customize PDF interfaces and automate document workflows across supported platforms.
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ComPDF SDK is a software development kit (SDK) that enables developers to build PDF functionality directly into their applications. It supports document viewing, content editing, file conversion, PDF generation, annotations, digital signatures, and security features. With customizable interfaces and document processing capabilities, it helps developers create integrated PDF experiences and manage document workflows.

PDF Viewing and Rendering

ComPDF SDK enables applications to open, display, and navigate PDF documents through its rendering engine. Developers can integrate document viewing functionality into their software, allowing users to read and interact with PDF content through interfaces tailored to their application's requirements.

PDF Content Editing

The SDK supports editing PDF content, including text and images, directly within documents. Applications can provide users with the ability to modify existing content without converting files into another format, supporting document corrections, revisions, and content updates.

PDF Conversion and File Processing

ComPDF SDK converts PDF documents to and from formats such as Microsoft Word, Excel, PowerPoint, HTML, and images. It supports document processing workflows that require content to move between different file types, including batch conversion and PDF/A output for archival purposes.

PDF Generation and Document Creation

Developers can generate PDF documents from HTML, templates, images, and structured data such as JSON (JavaScript Object Notation). The SDK supports dynamic content insertion, custom page sizes, watermarks, headers, footers, and page numbering for producing reports, contracts, and other documents.

Annotations and Document Markup

The SDK provides annotation functionality for adding comments, highlights, and other markup to PDF documents. Developers can incorporate these capabilities into applications that support document review, collaborative feedback, technical drawing annotations, and workflows requiring users to mark specific content.

PDF Forms and Data Entry

ComPDF SDK supports the creation and completion of interactive PDF forms. Developers can add form functionality to applications, enabling users to enter information directly into PDF documents and supporting workflows involving applications, questionnaires, agreements, and structured data collection.

Digital Signatures and Document Security

The SDK includes digital signature capabilities for signing PDF documents within applications. It also supports document redaction, allowing sensitive information to be removed from PDF content. These functions help developers implement document approval, signing, and information protection workflows.

Optical Character Recognition

ComPDF SDK provides optical character recognition (OCR) capabilities for processing scanned documents and image-based PDFs. This functionality helps applications recognize text within scanned content and supports document conversion workflows that require information to be extracted from non-editable source files.

Page Management and Document Comparison

The SDK supports PDF page management and document comparison functionality. Applications can provide capabilities for organizing document pages and identifying differences between PDF files, supporting document preparation, revision checking, and workflows involving multiple versions of a document.

Cross-Platform Integration and Interface Customization

ComPDF SDK provides libraries for integrating PDF functionality into supported web, mobile, desktop, and server environments. Developers can use ready-made interface components where available and customize elements such as toolbars, themes, and interactions to suit their applications.

Product Compatibility

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

Component Type

  • .NET
  • Flutter Widget
  • Java
  • JavaScript
  • Objective-C Library

.NET Version

  • .NET 9 STS
  • .NET 8 LTS
  • .NET 7 STS
  • .NET 6 LTS
  • .NET 5 / .NET Core 3.1
  • .NET 4.8 or earlier

.NET Platform

  • .NET Assembly
  • .NET MAUI
  • .NET WPF
  • UWP (.NET Core)

JavaScript Platform

  • Angular
  • React
  • Svelte
  • Vanilla JavaScript
  • Vue.js

Java Platform

  • Android Library
  • Java Class

IDE Support

  • Android Studio
  • Visual Studio
  • Xcode