Galaxy Online Customizer is a free Chrome extension designed for players of the browser game Galaxy Online, allowing them to personalize their gameplay experience through color theme modifications. This tool enhances the visual aspects of the game by enabling users to change the colors of buildings and the background on their planets, providing a unique aesthetic that reflects their preferences.

In addition to altering building colors, the extension also highlights planets in space and distinguishes between two types of buildings in reports. This feature set allows for a more engaging and tailored gaming experience, making it easier for players to navigate and enjoy the game while expressing their individual style.