Powerful .NET & Java libraries that allow developers to seamlessly enhance their web, mobile or desktop apps with the capability to display, annotate, convert, e-sign, compare and assemble documents.

Visit Website


Product families include:


GroupDocs.Total Product Family

Manipulate documents within your desktop solutions, mobile apps and websites without requiring any other commercial application through GroupDocs cross platform APIs. Includes all of our individual products.


GroupDocs.Viewer Product Family

GroupDocs.Viewer is a powerful document viewer API for rendering over 50 documents and image formats within .NET or Java applications. It rasterizes documents and images, renders text and converts them to SVG+HTML+CSS – offering a high fidelity true-text, native document rendering.


GroupDocs.Annotation Product Family

Provides the ability to annotate documents within your .NET and Java apps. The API comes with a comprehensive set of markup tools, which enable your users to highlight, strikethrough, and comment on text and images. Annotated documents can be printed out and exported to PDF along with annotations.


GroupDocs.Conversion Product Family

GroupDocs.Conversion is an advanced document conversion API developed to convert document formats. This features-rich API empowers you to work with document conversion operations back and forth over 50 documents and image file formats. Using the document converter API is very simple as it used just one method with set of options to convert between different formats.


GroupDocs.Comparison Product Family

GroupDocs.Comparison is a document comparison API that allows users to quickly and easily find differences between two revisions of a document right in your web app. It merges two uploaded documents into one and displays it, highlighting differences with the redline view approach - similar to the Microsoft Word change tracking feature, but online.


GroupDocs.Signature Product Family

With these APIs you can seamlessly enhance your apps with the e-signing capability. Your users are then able to get documents signed electronically using only a web-browser. Detailed audit trails, 256-bit SSL encryption and other advanced security features ensure signed documents are kept private and secure, while a wizard-like UI makes the signing process quick and easy.


GroupDocs.Assembly Product Family

The GroupDocs.Assembly engine is a set of document automation and reports generation APIs designed to create custom documents from templates. The reporting engine intelligently assembles the given data with the defined template document, and generates output document based on the data source in the same format as of the template document format.


GroupDocs.Metadata Product Family

The GroupDocs.Metadata APIs helps developers to read, write, edit and remove metadata information from all popular document file formats. It takes a file as input, accesses the file property information and allows users to perform metadata operations for locating specific data easily for future reference.


GroupDocs.Search Product Family

GroupDocs.Search APIs help users to perform various search operations. It extracts text and metadata from different file formats and performs search over all the user documents. In order to make search process fast and accurate, indexes can be created and the concerned documents can be added into it. Hence, all the search queries or advanced searches are efficiently performed over the index.


GroupDocs.Parser Product Family

GroupDocs.Parser is a collection of extensible text extractor APIs to read or analyze document content and metadata properties from different file formats. It works simply by getting the file as input and then fetches raw or formatted text of the input file along with metadata properties.


GroupDocs.Watermark Product Family

GroupDocs.Watermark is a set of powerful document watermarking APIs to add image and text watermarks. It can search and remove the watermark which were already added to documents by other third-party software. The watermarks added by this API are hard to remove by any third-party tools.


GroupDocs.Editor Product Family

GroupDocs.Editor is a collection powerful document editing APIs using HTML. API can be used with any external, open source or paid HTML editor. Editor API will process to load documents, convert it to HTML, provide HTML to external UI and then save HTML to original document after manipulation.


GroupDocs.Merger Product Family

Accelerate document merging and manipulation process in any cross platform application with our GroupDocs.Merger APIs.


GroupDocs.Redaction Product Family

Hide or remove private information from Microsoft Office documents, spreadsheets, presentations, PDF and images within any type of .NET applications.


GroupDocs.Classification Product Family

Programmatically classify documents and text into accurate categories using IAB (version 2), Documents and Sentiment taxonomies within any type of .NET applications.