Heat Index Calculator is a Chrome add-on developed by sieutinh.com. This free program falls under the category of Browsers and specifically belongs to the subcategory of Add-ons & Tools.

With Heat Index Calculator, users can accurately calculate the Heat Index, a measure of how hot it feels when humidity is factored in with the actual air temperature. By inputting the temperature and humidity, the app provides users with the heat index value and recommendations based on the calculated result.

This add-on is a useful tool for those who want to be aware of the heat index and make informed decisions regarding outdoor activities and safety precautions. The program is available on the Chrome platform and can be easily accessed and utilized by users.