German Umlauts (US alt) is a Chrome extension developed by Michael, available for free in the Browsers category under Add-ons & Tools. This program offers a solution for users with a US keyboard on Chrome OS who need to type German Umlauts easily. By using key combinations like alt + a for ä or alt + U for Ü, users can conveniently access German characters without needing a physical German keyboard.

To utilize German Umlauts (US alt), users must have German enabled in their Chrome OS Languages and input method settings, allowing them to select the German Umlauts keyboard layout. The extension is designed to be compatible with Chromebooks featuring a US Keyboard layout, such as the Pixelbook sold in the US.