create QR codes for free (Logo, T-Shirt, vCard, EPS)
Viewport Sizes and Pixel Densities for Popular Devices
Optimize your images with a perfect balance in quality and file size.
字节出品，通过技术驱动矢量图标样式的开源图标库。
Android 9-patch shadow generator fully customizable shadows
边玩游戏边学习flexbox属性
simple online GIF maker and toolset for basic animated GIF editing.
