private convertBase64ToBlob(base64: string, contentType: string = 'image/png'): Blob { const byteCharacters = atob(base64); const byteNumbers = new Array(byteCharacters.length); for (let i = 0; i < byteCharacters.length; i++) { byteNumbers[i] = byteCharacters.charCodeAt(i); } const byteArray = new Uint8Array(byteNumbers); return new Blob([byteArray], { type: contentType }); } Use code with caution.
How to download a Base64 image in is a common requirement when dealing with dynamically generated content, such as reports, QR codes, or user-uploaded previews. This process typically involves converting the Base64 string into a Blob and triggering a programmatic click on a hidden anchor element. Quick Implementation: Basic Download Function
You can use atob() to decode the Base64 string into binary data. typescript
Downloading very large images directly via a Data URI can sometimes lead to performance issues or browser-specific character limits. A more robust method involves converting the Base64 string into a first. 1. Utility Function to Convert Base64 to Blob