You will need the xlsx library to handle the conversion and optionally file-saver to trigger the download across all browsers. npm install xlsx file-saver Use code with caution. 2. Create the Export Logic
Always wrap your download function in a "Loading" state if fetching from an API to improve User Experience (UX). How to export tables to Excel in React - CoreUI how to download excel file on button click in react js
For advanced styling (colors, borders), consider libraries like ExcelJS which offer more granular control than the community version of SheetJS. You will need the xlsx library to handle
const downloadFromApi = async () => { try { const response = await fetch('https://example.com', { method: 'GET', headers: { 'Content-Type': 'application/json' }, }); // Convert response to a blob const blob = await response.blob(); // Create a temporary URL for the blob const url = window.URL.createObjectURL(blob); // Programmatically create and click a hidden anchor tag const link = document.createElement('a'); link.href = url; link.setAttribute('download', 'Report.xlsx'); document.body.appendChild(link); link.click(); // Cleanup link.parentNode.removeChild(link); window.URL.revokeObjectURL(url); } catch (error) { console.error("Download failed:", error); } }; Use code with caution. Key Comparison: Which Approach to Use? Client-Side (SheetJS) Server-Side (API) Small to medium datasets already in the browser. Create the Export Logic Always wrap your download
Massive datasets or complex formatting requiring heavy processing. Fast for users, but can freeze UI if data is too large.
If your backend generates the Excel file and sends it as a binary stream, you must handle the response as a to prevent the browser from trying to read it as text. Implementation with Fetch/Axios javascript