const downloadBase64Excel = (base64String, fileName) => { // 1. Prepend the MIME type if it's not already there const linkSource = `data:application/vnd.openxmlformats-officedocument.spreadsheetml.sheet;base64,${base64String}`; // 2. Create the anchor element const downloadLink = document.createElement("a"); downloadLink.href = linkSource; downloadLink.download = `${fileName}.xlsx`; // 3. Append to body, click, and cleanup document.body.appendChild(downloadLink); downloadLink.click(); document.body.removeChild(downloadLink); }; Use code with caution.
: Provides a simple component. You simply pass the Base64 string and the desired filename. download base64 excel file react
: While not specific to Base64, this is the industry-standard library for saving files on the client side. 4. Troubleshooting Common Issues const downloadBase64Excel = (base64String, fileName) => { //