1x1の最小GIF・PNGファイル（透過/base64） - QiitaR0lGODlhAQABAGAAACH5BAEKAP8ALAAAAAABAAEAAAgEAP8FBAA7 data:image/gif;base64,R0lGODlhAQABAGAAACH5BAEKAP8ALAAAAAABAAEAAAgEAP8FBAA7 <img src="data:image/gif;base64,R0lGODlhAQABAGAAACH5BAEKAP8ALAAAAAABAAEAAAgEAP8FBAA7" alt="" height="1" width="1"> iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVQI12NgYAAAAAMAASDVlMcAAAAASUVORK5CYII= data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HA
JPGとPNGとGIFの違いを理解できるときれいで軽い画像が作れる！
