Enterprise-Grade Document SDK Built for Developers
The Document SDK provides advanced libraries for PDF, Word, Excel, PowerPoint, and Markdown processing, including Office-to-PDF conversion, Smart Data Extraction, and AI-powered tools.
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.NET 10 support now available
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Word
Excel
PowerPoint
PDF Library
The Syncfusion® PDF Library is powerful for creating, reading, editing, converting, and extracting data from PDFs programmatically, without Adobe. It supports merging, splitting, stamping, form filling, digital signing, compression, and security. Developers can convert Office files (Word, Excel, PowerPoint) to PDF and export PDF to image, Markdown, and JSON, and extract structured data from PDFs and scanned documents with built-in ML-powered Smart Data Extraction.
PDF Framework
Create & Edit APIs
Word Library
The Syncfusion® Word Library is powerful for creating, reading, and editing Word documents, without Microsoft Office or interop. It supports advanced features including merging, splitting, find-and-replace, bookmarks, and document security. It allows seamless conversion to PDF, Image, HTML, RTF, Markdown, Text, ODT, and EPUB, and includes bidirectional support for HTML, RTF, Markdown, and Text. It is perfect for developers who want to automate Word processing without extra dependencies.
Word Framework
Create & Edit APIs
Word Conversions
READ & WRITE: DOC, DOT, DOCX, DOTX, DOCM, DOTM, WordML, RTF, HTML, TXT
Excel Library
The Syncfusion® Excel Library is a comprehensive .NET class library that allows you to create, read, and edit Excel files without relying on Microsoft Office or interop. It provides a wide range of Excel spreadsheet functionalities, including importing and exporting data, visualizing information through charts, organizing data in tables, performing calculations with simple or complex formulas, formatting cells and values, sorting and filtering data, and securing Excel files. By automating Excel processing programmatically, developers can easily integrate spreadsheet capabilities into their applications without dealing with the usual complexities of Excel.
Excel Framework
Creation & Editing APIs
Excel Converters
PowerPoint Library
The Syncfusion® PowerPoint Library is a robust .NET class library that allows you to create, read, and edit PowerPoint presentations programmatically without requiring Microsoft Office or interop. It provides a wide range of presentation processing features, including splitting and merging slides, finding and replacing content, securing files, and converting presentations to PDF or image formats. Designed for developer convenience, it allows seamless automation of PowerPoint processing within your applications, simplifying tasks that would otherwise be complex.
PowerPoint Framework
Creation & Editing APIs
PowerPoint Converters
READ & WRITE: .PPTX, .PPTM, .POTX, .POTM
SUPPORTED FRAMEWORKS
Extract structured data from PDFs
Extract structured data from PDFs and scanned documents by using the high-performance .NET Smart Data Extractor. It analyzes document layout to identify tables, form fields, and key content, returning results as structured JSON for easy integration with indexing, analytics, and ETL pipelines. Each extracted element includes a confidence score for reliable automation and validation.
- Smart extraction of tables from PDFs and images.
- Detection and extraction of form fields and key data .
- Structured JSON output with confidence scores for validation.
AI Coding Assistant
The Syncfusion AI Coding Assistant brings expert Document SDK knowledge into your IDE. Generate, configure, and refactor document-processing code with instant, documentation-backed guidance for PDFs, Word, Excel, and PPT.
Get Started with AI AssistantWhy do you need Syncfusion® Document SDK?
Syncfusion® Document SDK is a complete package of libraries that offers a rich set of APIs to create, edit, write, and convert PDF, Word, Excel, and PowerPoint files in web, desktop, and mobile applications without Microsoft Office or Adobe dependencies. With only five lines of code, your applications will read and write these formats faster than ever before.
AI-driven document processing
Unlock intelligent automation with AI agent tools and smart data extraction. Accelerate development with agent skills and AI coding assistance helping you build faster, streamline workflows, and reduce manual effort.
Ready-to-Deploy Docker Image
Deploy fully configured document processing web APIs in minutes using the Syncfusion® ready‑to‑deploy document processing API Docker image. Achieve fast, scalable Office‑to‑PDF conversion and essential PDF operations through reliable, production‑ready REST endpoints.
No server deployment fees
There are no distribution fees, per-server licensing fees, or royalties, which makes the Document SDK very cost-effective.
Powerful and comprehensive API
All the elements in a typical PDF, Word, Excel, or PowerPoint documents such as text, formatting, images, shapes, and tables are accessible through a comprehensive set of APIs.
Proven Document SDK
Syncfusion® Document SDK has mature, proven libraries for PDF, Word, Excel, and PowerPoint that have evolved over 20 years.
Blazing-fast performance
Optimized for usage in a server environment where speed and low memory usage are critical.
Fully documented
Syncfusion® Document SDK includes comprehensive documentation, a well-developed knowledge base, and a collection of practical examples.
Cross‑Platform .NET Support
Build once and run anywhere. The Syncfusion® Document SDK works seamlessly across Windows, Linux, and macOS, enabling consistent document processing across all major platforms.
20+ conversions support
50+ interactive demos
14M+ downloads
10+ conversion support
35+ interactive demos
8M+ downloads
10+ conversion support
50+ interactive demos
6M+ downloads
80+ Charts support
25+ interactive demos
2M+ downloads
Deploy powerful document processing web APIs in minutes with a ready-to-use Docker image
Even without .NET experience, you can deploy robust document processing capabilities in minutes. The Syncfusion® ready‑to‑use document processing API Docker image instantly spins up fully configured Web APIs for reliable Office‑to‑PDF conversion and essential PDF operations like merge, split, compress, rotate, and protect, without any complex setup. Designed for rapid deployment and cost‑efficient automation, it delivers a fast, scalable, and flexible way to run document workflows on any Docker‑supported platform.
Launch in minutes
Deploy fully configured document processing web APIs instantly with the Syncfusion® prebuilt Docker image. Eliminate setup complexity and dependency management by just pulling and running, and immediately start performing fast, reliable Office‑to‑PDF conversions and essential PDF operations.
Secure and scalable by design
Keep your documents secure with a fully containerized solution running in your own environment, and no files are stored or shared externally. Built for modern workflows, it scales effortlessly from small tasks to high volume processing while maintaining strong security.
No additional license requirement
Use the prebuilt document processing API Docker image with your existing Syncfusion® Document SDK license, and no extra purchase or setup is needed. Enjoy a seamless, cost-efficient deployment with zero licensing overhead.
Reduce infrastructure costs
Run your document processing web API in a lightweight Docker container to eliminate heavy VMs and cut cloud costs. Deploy securely in your own environment with full control, and only pay for what you use, with all files processed internally for maximum data security.
Modernize your document pipeline
Move beyond legacy tools with a ready to deploy Docker image and just run the container and start processing instantly. Built for the cloud, it offers a clean, scalable, and maintenance free approach to document automation.
Consistent performance everywhere
Achieve reliable, high-performance document processing across local, on-premises, and cloud environments. The Docker container ensures a stable, isolated runtime with consistent, production-ready results in every deployment.
Developer‑friendly, zero .NET learning curve
Not familiar with .NET? No problem. Our ready-to-deploy Docker image includes fully configured web APIs for Office-to-PDF conversion and essential PDF tasks and no .NET expertise needed. Easily integrate enterprise-grade document processing web APIs with zero learning curve.
Enterprise-grade automation
Run high‑accuracy PDF operations like merge, split, compress, rotate, redact, and protect through fast and reliable APIs engineered for production workloads.
What Developers Say
Developers around the world trust Syncfusion Essential Studio to simplify complex projects and speed up delivery. With a vast library of UI controls, powerful SDKs, and reliable support, Syncfusion helps teams build enterprise-ready applications with confidence. Their feedback highlights how Syncfusion reduces development effort while enabling them to focus on innovation.
Excellent experience with Syncfusion!
Syncfusion is a product that makes life easier! I use it to create Blazor applications (server side and webassembly) and the controls speed up development a lot. Furthermore, if needed, it is possible to ask for direct support that is never long in coming!
Andrea Scarpante,
Sydea srl
Great support and comprehensive product suite
I use a lot of their DocIO toolkit. The support they provide for that is something to aspire to - really great.
Ian Yates,
Medical IT Pty Ltd
What a Deal….Syncfusion Essential Studio.
With very few lines of code I can generate Excel, Word or PDFs. I can customize the look and feel of the CRUD presentation easily. I am looking forward to trying out the other control suites that Syncfusion provides.
Ibrahim M,
Contractor and CEO
See Real Success Stories
Developers around the world trust Syncfusion’s Essential Studio to simplify complex projects and speed up delivery. With a vast library of UI controls, powerful SDKs, and reliable support, Essential Studio helps teams build enterprise-ready applications with confidence.
Read Our Customer StoriesIndustry
Software development
75% Cost reduction
50% Faster development
Industry
Utilities (oil and gas)
450+ hours saved
Streamlined processes and hours of development effort saved.
Advanced, flexible features
Empowered users through robust and versatile functionality.
Industry
Software and technology
1000+ of hours saved
Accelerated development with enterprise-ready UI components.
Efficient file management
Streamlined workflows with document libraries without building them from scratch.
Industry
Software and technology
2 Years of delay avoided
Two years of delays prevented with proactive planning.
On-time delivery
Projects delivered on schedule using trusted controls.
Industry
IT services and IT consulting
Improved performance
Large datasets handled with easy customization and quick debugging.
Highly customizable
Plug-and-play controls with quick template integration.
Industry
Professional services
Instant access
Quick availability of features and resources.
Reduced dependencies
Fewer dependencies for faster development.
Rated by users across the globe
Document Solutions webinars, blogs, and testimonials
Develop Your Knowledge with Our Resource Center
Browse articles filled with expert insights, best practices, and general guidance on various software development topics.
Best practices for working with PDF libraries
Read Article
Working with Digital Signatures and Encryption in PDF documents
Read Article
Choosing the Right PDF Library for the .NET Framework
Read Article
Syncfusion® Document SDK Resources
Awards
Greatness—it’s one thing to say you have it, but it means more when others recognize it. Syncfusion® is proud to hold the following industry awards.
