Startup Sound for Chromebook™ is a Chrome add-on developed by BrowserNative. It allows users to play the startup sound of Windows, Ubuntu, or macOS on their Chromebooks or any other ChromeOS device.

With this add-on, users can customize their Chromebook's boot experience by playing their favorite startup sound. Whether you want to relive the nostalgia of your old Windows PC or add a touch of familiarity with the iconic macOS startup sound, Startup Sound for Chromebook™ has got you covered.

It's worth mentioning that this add-on is specifically designed for Chromebooks and other ChromeOS devices, and it doesn't work on Windows, Mac, or Linux systems.