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Developer Tools

Built By Developers For Developers

Our tools solve problems so you can focus on creativity, innovation, and optimization.

JavaScript Products


The World's #1 Selling JavaScript Spreadsheet With Over 500 Excel Functions


JavaScript/HTML5 UI Components and Grids for Any Framework


The Industry-Leading Reporting Solution for JavaScript Developers.


A Complete JavaScript Data Presentation and Datagrid Platform

Take total control of your documents with ultra-fast, low-footprint APIs for enterprise apps.

  • Generate, load, edit, save XLSX spreadsheets, PDF, Images, and DOCX files using C# .NET, VB.NET, or Java

  • View, edit, print, fill and submit documents in JavaScript PDF Viewer and PDF Editor

  • Open and view data documents (XLSX, CSV) and SpreadJS files in JavaScript Data Viewer

  • Compatible with Windows, macOS, and Linux

  • No dependencies on Excel, Word, or Acrobat

  • Deploy to a variety of cloud-based services, including Azure, AWS, and AWS Lambda

  • Product available individually or as a bundle

Document APIs

Fast and Efficient Document APIs for .NET 6 and Java Applications


The World's #1 Selling .NET Spreadsheet With Over 450 Excel Functions.


Award-Winning .NET and JavaScript Controls for Mobile, Web, and Desktop


The Industry-Leading Reporting Solution for .NET Developers.

GCExcel .NET

High-Speed .NET 6 Excel Spreadsheet API Library

.NET Products

Creating award-winning spreadsheets and reporting tools, grids, charts, and UI Components for .NET and JavaScript.

Over 40 Years of Experience

Developer Tools provides developers, designers, and architects with the ultimate collection of award-winning JavaScript and .NET grids, UI, reporting, spreadsheets, document APIs, and mobile controls. Our tools solve problems so you can focus on creativity, innovation, and optimization.



Years of Experience



Customers and Counting



Commercial Licenses Sold



Countries Worldwide

GrapeCity’s Component Philosophy

Our component philosophy comes down to four elements: speed, flexibility, familiarity, and a small footprint. With extensibility built into every control and platform, our products are engineered and built for maximum performance.

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