Viewport Sizes and Pixel Densities for Popular Devices
create QR codes for free (Logo, T-Shirt, vCard, EPS)
simple online GIF maker and toolset for basic animated GIF editing.
logo在线制作
Optimize your images with a perfect balance in quality and file size.
Android 9-patch shadow generator fully customizable shadows
程序员的工具箱，代码格式化、压缩、加密、解密等
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