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WorksheetJS Blog — JavaScript Spreadsheet Insights

Guides, comparisons, and AI deep-dives on building spreadsheets into web apps — React, Excel/XLSX, performance, and embedding spreadsheets in SaaS.

Split illustration: building a spreadsheet in-house versus buying an embeddable one
Jun 18, 20269 min read

Why Your SaaS Needs a Native Spreadsheet (Build vs. Buy)

Three spreadsheet component cards compared side by side: WorksheetJS, AG Grid and Handsontable
Jun 9, 20268 min read

WorksheetJS vs AG Grid vs Handsontable (2026)

An Excel-like data grid in a browser window with the React logo orbiting it
May 28, 20268 min read

How to Build an Excel-Like Data Grid in React (2026 Guide)

An XLSX file flowing through an import and export pipeline into a data grid
May 19, 20269 min read

Import & Export Excel (XLSX) Files in JavaScript

A spreadsheet grid with an AI assistant chat bubble auto-filling a cell
May 7, 20268 min read

The 2026 Guide to AI-Powered Spreadsheets for Apps

A spreadsheet panel wired to an AI copilot chat window writing a formula
Apr 24, 20269 min read

How to Build an AI Spreadsheet Copilot in Your App

A plain file parser transforming into a rich interactive spreadsheet UI
Apr 15, 20268 min read

SheetJS Alternatives: When You Need a UI, Not Just a Parser

A huge spreadsheet with a speedometer at maximum streaming a million rows
Apr 2, 20269 min read

Can a Browser Really Handle 1 Million Rows?

React spreadsheet component cards with a green check selecting the best one
Mar 20, 20268 min read

Best Spreadsheet Components for React in 2026

A SaaS browser app with a spreadsheet, charts and toolbar embedded inside it
Mar 11, 202611 min read

Embedding Spreadsheets in SaaS Apps: The Complete Guide