Reliable Document Processing with GroupDocs API Features

Seamlessly access, load, edit, and export an array of file formats such as Microsoft Word, Excel, PowerPoint, PDF, ONE, OpenDocument, eBooks, Visio, RTF, Project, Emails, Web, PNG, PSD, SVG, and more using GroupDocs APIs.

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Here are some of the salient GroupDocs API features:

Full-cycle document processing

Easily manage and manipulate your documents any way you want with full-cycle document processing. You have complete control throughout the entire process from loading and rendering to editing and exporting. GroupDocs APIs provide you the freedom and power you need to automate document processing intelligently. Whether you're working with images, PDFs, or other documents, you can be sure that you have the tools you need to get the job done.

Lightning-fast speeds

GroupDocs offers quick processing and feature-rich APIs for document manipulation that allow you to save on turnaround time when managing your documents and images. GroupDocs APIs are reliable, fast, and powerful, so they can easily load, annotate, manipulate, and return files. With GroupDocs API features, you can be sure of lightning-fast processing speeds and highly accurate document management. You can work smarter by investing the time and effort saved as a result for many other tasks.

Security and safety

With our industry-standard security procedures, you can enjoy complete peace of mind and never have to worry about the safety of your files. Whether you need to modify, compare, or sign documents, you can do so while remaining stress-free. Utilizing industry-leading technologies, you can complete any document related tasks confidently. GroupDocs offers secure document processing and lets you seamlessly manage your documents and leave the file security to us.

File conversion and editing

For businesses looking to make their document and image processing operations more efficient, GroupDocs document conversion APIs can be the perfect solution. With these APIs, you can programmatically edit and convert dozens of different file types, including PDF, DOCX, XLSX, PPTX, PNG, and many more, from one format to another, making it simple to customize files for any purpose. Develop high-performance document conversion tools that cater to all your needs from the same platform.

Multi-platform Accessibility

Enjoy more convenient multi-platform accessibility with GroupDocs API features. As a developer, you have the chance to develop apps in Java, C#, ASP.NET, and VB.NET. Moreover, GroupDocs advanced document processing APIs are powerful and versatile and allow developers to handle different file types such as Microsoft Office documents, OpenOffice documents, and PDFs. Effortlessly target different .NET frameworks and Java development environments when creating apps to manage your files.

No dependencies

GroupDocs provides a unique file management experience, offering users a zero-dependency environment. Our document processing APIs work on all major operating systems and mobile platforms including Windows, Linux, Mac OS, Android, and iOS, so that users are not hindered by dependencies when it comes to document and image manipulation functionality. With GroupDocs, you'll have access to an extensive range of top-notch processing capabilities that would otherwise be difficult to achieve.

Excellent file format support

Work with a whole host of document and image file formats using GroupDocs APIs including PDF, Word, Excel, PowerPoint, OpenDocument, Project, Visio, eBooks, Audios, Video, Email, HTML, RTF, Text, PNG, PSD, JPG, SVG, and many more. This exclusive set of APIs for document manipulation provides unprecedented convenience and diversity for anyone looking to build robust document automation solutions across the .NET and Java platforms.

View files

Render files by building high-quality file viewer components using .NET and Java APIs for document manipulation. Display PDF, DOCX, XLSX, PPTX, VSD, MPP, PNG, PSD, and more formats.

Document annotation

Easy-to-use document annotation APIs to annotate PDF files, documents, spreadsheets, presentations, images, diagrams, emails, and web files in .NET and Java platforms.

File search

Enterprise-grade document search and indexing for retrieving any keyword or phrase using simple, Boolean, fizzy, and regex search in your .NET and Java apps.

Document comparison

Full-featured libraries to compare documents and images in .NET and Java. Build document comparison tools to detect differences in file contents including words, paragraphs, charts, and tables.

Merge files

Combine multiple documents into a single PDF file, and merge PDF, MS Office, OpenDocument, XPS, eBooks, Text, and image files in your mobile or HTML web apps.

File format conversion APIs

Build high-end file format conversion applications in .NET and Java for changing different data formats such as converting PDF to Word, Excel to PDF, PDF to JPG, and more

Parsing and text extraction

Cross-platform document APIs for raw or formatted text extraction from documents and images or parse documents, eBooks, and your secure files in .NET and Java apps.

Extract and manipulate metadata

Metadata extraction and manipulation from PDF, Word, Excel, PowerPoint, Visio, MS Project, OneNote, OpenDocument, Audio, Video, and raster image files.

Document redaction

Completely platform-independent libraries to build document redaction tools in .NET and Java for users to redact, hide and erase sensitive user data effortlessly.

e-Sign documents

Electronically sign your documents using multiple e-signature types, including text, image, and barcode. Perform advanced electronic signature integration into your document signing apps.

Document watermarking

Apply and manipulate various types of watermarks to an array of popular data files effortlessly using our watermarking APIs. You can also search, edit, and remove existing watermarks from your documents.

File editing

Perform document editing by loading, editing, and saving PDF, Microsoft Office, eBooks, OpenDocument, Text, Email, and other types of files with GroupDocs document processing APIs.

Looking for help?

Checkout our support channels for help with your questions related to GroupDocs product API features and working.

Most Popular Tools

Given below are a few of the most liked document and image manipulation functionalities of GroupDocs APIs.

PDF reader and viewer

Render PDF, Word, Excel, PowerPoint documents, and image files.

Image, Word, and PDF Annotator

Annotate PDF, Microsoft Office, images, and other data files.

Convert PDF and Images

Perform Word to PDF, PDF to Excel, and PDF to JPG conversions.

Compare Documents and Images

Build difference-checking and comparison apps for documents and images.

e-Sign Secure Documents

Add customizable e-signatures to your official and protected documents.


We work hard to make our products secure and dependable and we take the security and privacy of user data and information extremely seriously.

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Protecting Intellectual Property

We strive to protect you against security lapses and intellectual property theft by having solid measures in place.

Preventing Software and License Theft

We maintain top-notch levels of protection and take prompt action against any presumed misuse of the GroupDocs API license.

System Availability and Status

You can be certain about your data safety since our system’s status and availability are constantly up to date.

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