Images to PDF

images-to-pdf.js

document.write('<script src="https://cdnjs.cloudflare.com/ajax/libs/jspdf/2.5.1/jspdf.umd.min.js" onload="callback()"></script>');


function getImageFromUrl(url) {
    return new Promise((resolve, reject) => {
        const img = new Image();
        img.onError = (err) => reject(err);
        img.onload = () => resolve(img);
        img.src = url;
    });
}


function createPDF(images) {
    const doc = new jspdf.jsPDF();

    images.forEach((img, index) =>  {
        index !== 0 && doc.addPage();
        doc.addImage(img, 'JPEG', 0, 0, 210, 210);
    });

    return doc.output('bloburl');
}

async function callback() {
    const imageUrl = 'https://media.istockphoto.com/photos/software-developer-programming-code-on-computer-picture-id494290794?k=20&m=494290794&s=612x612&w=0&h=eQ6r8iFfV704JkWPl9ZCngi-TN-vZ5pOtZBpfFcL6P8=';
    const blobUrl = createPDF([await getImageFromUrl(imageUrl)]);
    window.open(blobUrl);
}