export const downloadBase64File = (base64String, fileName) => ; Use code with caution. 2. Implement in your React Component javascript
Always use URL.revokeObjectURL(url) after the download starts. If you don't, the browser keeps the file in memory until the page is closed. how to download base64 file in react js
For professional applications, you should convert the Base64 to a Blob. This handles large files (PDFs, ZIPs) more reliably. 1. Create the Utility Function If you don't, the browser keeps the file
For most React apps, is the best balance of performance and control. It avoids the character limits of Data URLs and provides a seamless user experience for files of any size. If you don't
Create a helper file fileUtils.js to keep your component clean: javascript
If you are fetching the Base64 data from an external API, ensure your server has proper CORS headers, or the browser will block the data transfer before you can even begin the download logic.
If you have a small file (like a thumbnail) and a properly formatted Data URL (e.g., data:image/png;base64,... ), you can use a standard JSX link. javascript
