SpreadJS

Complete spreadsheet solution for JavaScript applications.

Published by MESCIUS (formerly GrapeCity)
Distributed by ComponentSource since 1996

Prices from: $ 1,969.02 Version: v19.1 NEW Updated: May 12, 2026

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Apply Spreadsheet Templates to New Workbooks

May 12, 2026Product Update
SpreadJS 19.1 enhanced designer can now apply pre-configured spreadsheet templates with consistent styles and formats from the start.

Import and Export Excel XLSX Using JavaScript

April 17, 2026Feature Highlight
Explore this online tutorial to learn how to use SpreadJS to open and save spreadsheets without Excel being installed.

Build Collaborative Spreadsheets in JavaScript Apps

February 16, 2026Feature Highlight
Attend the MESCIUS CodeClinic Live Webinar to Explore the Collaboration Server add-on to SpreadJS.

Enable Real-Time Spreadsheet Collaboration

December 19, 2025Product Update
SpreadJS 19 adds support for collaborative work with a new server add-on that enables multiple users to edit the same spreadsheet simultaneously.

Add a Vue Pivot Table to your Web Application

October 14, 2025Feature Highlight
SpreadJS Pivot Tables provide a powerful way to easily explore and summarize large datasets.

Discover How Much You Can Save on Document APIs

September 15, 2025Feature Highlight
Document Solutions Total Cost of Ownership comparison includes an interactive TCO calculator.

Supercharge JavaScript Spreadsheets using AI

September 3, 2025Feature Highlight
View the MESCIUS CodeClinic Webinar and explore the new AI Assistant Add-on in SpreadJS.

Apply LAMBDA Functions Directly to Cell Selections

August 15, 2025Product Update
SpreadJS 18.2 adds new Transform command to execute LAMBDA formulas over selected cells and replace them in one step.

Collaborate in Real-Time with Spreadsheet Sync

June 24, 2025Product Update
SpreadJS enables seamless real-time co-editing in JavaScript applications with a modular collaboration framework that delivers conflict-free editing.

Explore Powerful AI-driven Features in your JavaScript Spreadsheets

May 22, 2025Feature Highlight
SpreadJS 18.1 includes a developer preview of AI Features for Natural Language and Smart Analysis.

MESCIUS Wins 14 ComponentSource Awards

May 13, 2025Publisher Award
ComponentSource has awarded MESCIUS the #2 Publisher Award and Top 5 Product Award, along with 12 further 2025 Awards.

Speed Up Spreadsheet Tasks with Instant Commands

May 9, 2025Product Update
SpreadJS 18.1.0 adds a new Command Palette for fast, context-aware access to actions and advanced features using keystrokes and search.

Import and Export Excel XLSX Using Blazor

February 18, 2025Feature Highlight
SpreadJS by MESCIUS lets you import and export Excel files in your Blazor application, bringing powerful spreadsheet functionality to the web.

Simplify Chart Creation with New DataCharts Add-On

December 19, 2024Product Update
SpreadJS v18 introduces a new optional add-on for binding charts to external data, enabling dynamic and flexible spreadsheet visualizations.

Read Excel XLSX Files from a URL Using JavaScript

October 11, 2024Feature Highlight
SpreadJS by MESCIUS enables you to directly import Excel files from specified URLs into your JavaScript web applications.

Keep Spreadsheets Responsive During Calculations

July 3, 2024Product Update
SpreadJS 17.1.0 introduces incremental computation which helps maintain spreadsheet performance during even the most complex data processing.

Import and Export Excel XLSX Using Vue

May 29, 2024Feature Highlight
SpreadJS by MESCIUS enables you to drop a fully functioning spreadsheet into your web app, delivering a familiar Excel-like experience to users.

MESCIUS Wins 14 ComponentSource Awards

April 29, 2024Publisher Award
ComponentSource has awarded MESCIUS the #2 Publisher Award and Top 5 Product Award, along with 12 further 2024 Awards.

Elevate Your JavaScript Spreadsheets with Add-ons

April 9, 2024Feature Highlight
SpreadJS by MESCIUS offers optional add-ons that enhance its functionality with data analysis, project management, and report design features.

Create Gantt Scheduling Apps in JavaScript

December 27, 2023Product Update
SpreadJS 17 introduces the optional GanttSheet add-on, offering a data-bound DataTable view with Gantt chart behavior and a spreadsheet UI.