SheetJS is the "Swiss Army Knife" of spreadsheet libraries. It is highly optimized for performance and handles various formats like .xlsx , .xls , and .csv .
: Use npm install xlsx or include it via CDN. Convert JSON to Sheet : Use XLSX.utils.json_to_sheet(data) . json to excel download js
import * as XLSX from 'xlsx'; const downloadExcel = (data) => const worksheet = XLSX.utils.json_to_sheet(data); const workbook = XLSX.utils.book_new(); XLSX.utils.book_append_sheet(workbook, worksheet, "Sheet1"); XLSX.writeFile(workbook, "DataReport.xlsx"); ; Use code with caution. 2. High-Customization Choice: ExcelJS Export Tutorial | SheetJS Community Edition SheetJS is the "Swiss Army Knife" of spreadsheet libraries
: Use XLSX.utils.book_new() and append your sheet. Convert JSON to Sheet : Use XLSX
Exporting data from JSON to an Excel file is a critical feature for modern web applications, allowing users to perform offline analysis on data fetched via APIs. This guide covers the most efficient ways to implement this functionality using popular libraries like and ExcelJS , as well as a lightweight library-free approach. 1. The Industry Standard: SheetJS (XLSX)
: Use XLSX.writeFile() to save the file locally. javascript