Timus Charts is a free browser extension developed by Alexander Borzunov. It falls under the category of Browsers, specifically Add-ons & Tools. This extension is available for Chrome, Firefox (with Greasemonkey), and Opera platforms.

The main feature of Timus Charts is the addition of a chart displaying the count of solved problems to Timus Online Judge profiles and comparator. This chart provides users with a visual representation of their progress and achievements on the platform.

In addition to the chart, Timus Charts offers several other useful features. Users can add and remove more users to the chart, allowing for easy comparison of problem-solving statistics. The extension also allows customization of legend colors, giving users the ability to personalize their chart.

Another handy feature of Timus Charts is the caching of profile data, which helps improve performance and load times. Users can also choose to hide the chart if they prefer a cleaner interface.

Lastly, there is an optional feature that highlights problems accepted in the recent two months, providing users with a quick overview of the most relevant and recent challenges.

Overall, Timus Charts is a valuable extension for Timus Online Judge users who want to track their progress and compare their problem-solving skills with others. With its user-friendly interface and useful features, it enhances the user experience on the platform.