Ecosia Dark Mode is a Firefox extension designed to provide a sleek dark theme for the Ecosia search engine and its associated sites. This user-friendly extension features a simple toggle that allows users to easily switch the dark mode on or off according to their preference. It currently supports various Ecosia services, including the main search page, the info page, and the blog. This personalization tool not only enhances aesthetics but also reduces eye strain during nighttime browsing.

Available via a subscription model, Ecosia Dark Mode is compatible with Chromium browsers as well, broadening its usability. Users may encounter occasional styling issues due to ongoing updates on Ecosia's web pages, suggesting that patience is required for optimal performance. The extension's permissions and privacy information can be reviewed on its GitHub page, ensuring transparency regarding user data.