SVG在线压缩平台
Android 9-patch shadow generator fully customizable shadows
很不错的一个图片无损压缩网站！
免费在线抠图软件,图片快速换背景-抠白底图
simple online GIF maker and toolset for basic animated GIF editing.
Viewport Sizes and Pixel Densities for Popular Devices
create QR codes for free (Logo, T-Shirt, vCard, EPS)
