A simple image to PDF converting website with a carousel that allows you to drag and re-order images. Add up-to 20 images, either of JPEG or PNG format in one go and convert them into a PDF. No file size limit. Conversion happens within the browser, using jsPDF library.
Why do you think that https://github.com/anvilco/anvil-e-signature-api-node-example is a good alternative to image2pdf