PDFiumZ

PDFiumZ is a modern .NET wrapper for PDFium with a comprehensive high-level API. Built on PDFium binaries with P/Invoke bindings. Supports Linux-x64, OSX-x64, Win-x64, Win-x86.

Current PDFium Version: 145.0.7592.0 (chromium/7592) - Latest PDFium with enhanced rendering and stability

📚 Documentation | 文档

Choose Your Language | 选择语言:

🇺🇸 English Documentation 📖 Complete Documentation 🚀 Quick Start Guide 🖼️ Image Generation 📝 Fluent API Guide 🔢 Range Syntax 💻 Code Examples

🇨🇳 中文文档 📖 完整文档 🚀 快速开始 🖼️ 图像生成 📝 Fluent API 指南 🔢 Range 语法 💻 代码示例

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Project Resources | 项目资源:

• 📈 Performance Analysis | 性能分析
• 📜 Changelog | 更新日志
• 🗺️ Roadmap | 开发路线图

Supported Frameworks

PDFiumZ is multi-targeted:

• net10.0, net9.0, net8.0
• netstandard2.1, netstandard2.0

Installation

dotnet add package PDFiumZ

Quick Start

using PDFiumZ;
using PDFiumZ.HighLevel;

// Initialize library (call once at application start)
PdfiumLibrary.Initialize();

try
{
    // Open and render a PDF
    using var document = PdfDocument.Open("sample.pdf");
    using var page = document.GetPage(0);
    using var image = page.RenderToImage();

    // Save as PNG
    image.SaveAsSkiaPng("output.png");

    // Extract text
    var text = page.ExtractText();
    Console.WriteLine(text);
}
finally
{
    PdfiumLibrary.Shutdown();
}

Key Features

Core Functionality

• High-Level API: Easy to use classes for documents, pages, annotations, and forms
• Cross-Platform: Works on Windows, Linux, and macOS
• Async Support: Modern async/await APIs for I/O bound operations
• Multi-Framework: Supports .NET 10/9/8 and .NET Standard 2.0/2.1

Document Operations

• Create PDFs: Generate new PDF documents from scratch
• Merge & Split: Combine multiple PDFs or extract specific pages
• Rotate Pages: Rotate individual pages or entire documents (90°, 180°, 270°)
• Watermarks: Add text watermarks with custom opacity, rotation, and position
• Security Info: Read encryption status and document permissions

Content Creation & Editing

• Content Editor: Add text, images, shapes, and paths with a powerful fluent API
• Fluent Document Generation: QuestPDF-style declarative API for complex layouts
• HTML to PDF: Convert simple HTML/CSS to PDF documents
• Table Builder: Create complex tables with fluent API

Annotations (10+ Types)

• Text Markup: Highlight, Underline, StrikeOut
• Shapes: Square, Circle, Line
• Text: Sticky Notes, Free Text boxes
• Drawing: Ink (freehand), Stamps
• Form Fields: Read and write form field values

Rendering & Extraction

• Image Generation: Simple, high-performance PDF to image conversion
• Thumbnail Generation: Generate page thumbnails with customizable size and quality ✨ NEW
• Text Extraction: Extract plain text with positions and formatting
• Image Extraction: Extract embedded images from PDF pages
• Search: Find text with position information

Building

Requirements: .NET 10.0 SDK or later.

dotnet build src/PDFiumZ.sln -c Release

License

Apache-2.0. See LICENSE.

Support

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