Use Google docs. Add images of bank statements to a new document and resize to fit 2 to a page. (Click and drag on images) download as a pdf. Upload that. You can only add one file per section with 3mb file size limit.
if there's a next time, youtube videos will often help you find an answer to just about anything. And without wishing to sound rude, brush up your skills, thailand is IT and phone dependent for much of life. Took me quite a while to master ordering my dinner in a restaurant with a QR code!
took me less than 15 minutes. Google docs is your friend. Creat a blank document. Insert images. Resize images click and drag, to fit two to a page. Download as pdf. Upload to visa site.