DeskTrainer is a Chrome add-on developed by zhangela that aims to transform unproductive time spent on distracting websites into workout sessions. With DeskTrainer, users have the ability to choose which unproductive sites they want to spend time on, and the add-on will remind them to work out once they have spent too much time on these websites.

The workouts provided by DeskTrainer are based on the scientifically proven 7-minute workout routine. These desk workouts consist of a series of short exercises that can be easily performed at your desk, allowing you to increase your fitness level while working. By integrating exercise breaks into your daily routine, DeskTrainer helps you stay active and combat the negative effects of sedentary behavior.

DeskTrainer is a free add-on available for the Chrome browser. It falls under the category of Browsers and is specifically classified as an Add-ons & Tools subcategory. If you're looking to make your unproductive time more productive and improve your fitness, DeskTrainer is a great tool to consider.