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 XLSX.utils.book_new() and append your sheet. json to excel download js
: Use XLSX.writeFile() to save the file locally. javascript SheetJS is the "Swiss Army Knife" of spreadsheet libraries
: 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