Etcher is open source, cross-platform with beautiful interface built using web technologies. Etcher is used to create bootable SD cards or USb drives. Flash Os images to SD cards and USB drives, safely and easily. It is a way to stream an OS image to a device. It is extensible for developers and works on any platform which includes, Windows, Linux, Mac OS X etc. It is a way to stream an OS image to device. Etcher is developed with JS, HTML, node.js as well as Electron.