SheetShadow is a Chrome extension designed to provide a professional dark mode specifically for Google Sheets. This tool aims to enhance user experience by reducing eye strain during prolonged spreadsheet work. It features smart inversion technology that applies advanced CSS filters to convert bright spreadsheets into a more comfortable dark theme. Users can easily switch between various visual presets, including Classic, Grey, and Dark modes, or create and save their own custom settings for tailored viewing.

In addition to its dark mode capabilities, SheetShadow offers advanced customization options, allowing users to adjust brightness, contrast, sepia, and grayscale levels with sliders. This lightweight extension is optimized for Google Sheets, ensuring smooth performance and minimal impact on system resources. With its clean interface and professional-grade controls, SheetShadow stands out among typical dark mode extensions, making it a valuable addition for anyone working extensively with spreadsheets.