download blob

    var blobUrl = URL.createObjectURL(blob);
    var link = document.createElement("a"); // Or maybe get it from the current document
    link.href = blobUrl;
    link.download = "image.jpg";
    // link.innerText = "Click here to download the file";

    document.body.appendChild(link); // Or append it whereever you want
    link.click();
    link.remove();