Runner Tools is a free Chrome add-on developed by Ateliê do Código. It falls under the category of Browsers and the subcategory of Add-ons & Tools. This handy tool allows users to easily calculate their running pace and the calories burned during their activities.

With Runner Tools, there's no need to search for a separate calculator to determine your pace or track your calories burned. This extension simplifies the process, providing quick and accurate results with just a few clicks. Whether you're a seasoned runner or just starting out, Runner Tools is a useful tool to have at your fingertips.

In addition to its core features, Runner Tools also includes a history feature that saves your previous calculations within the extension. This allows you to easily reference your past results and track your progress over time.

Overall, Runner Tools is a convenient and efficient tool for runners and fitness enthusiasts. Give it a try and start optimizing your workouts today!