((link)) Download Base64 Csv File Javascript Now

: Treats raw data as a file object for browser handling.

Ask Question. Asked 5 years, 3 months ago. Modified 5 years, 3 months ago. Viewed 11k times. 2. In React, I uploaded a file using: Stack Overflow convert base64 string to csv javascript giving blob error download base64 csv file javascript

function downloadBase64CSV(base64String, fileName = 'data.csv') { // 1. Clean data and decode const base64Data = base64String.replace(/^data:.+;base64,/, ''); const byteCharacters = atob(base64Data); // 2. Convert to binary ArrayBuffer const byteArray = new Uint8Array(byteCharacters.length); for (let i = 0; i < byteCharacters.length; i++) { byteArray[i] = byteCharacters.charCodeAt(i); } // 3. Create Blob and Download const blob = new Blob([byteArray], { type: 'text/csv' }); const url = window.URL.createObjectURL(blob); const link = document.createElement('a'); link.href = url; link.download = fileName; document.body.appendChild(link); link.click(); document.body.removeChild(link); window.URL.revokeObjectURL(url); } Use code with caution. Key Technical Concepts : Decodes Base64 encoded strings into binary data. : Treats raw data as a file object for browser handling