Progressbook Grade Tester is a free Chrome extension developed by Austin Rockwell. It falls under the category of Browsers and is categorized as an Add-ons & Tools subcategory.

The main purpose of this extension is to allow users to see what their grade would be depending on their score. If you are using Progressbook, you may have encountered the limitation of not being able to see your grade for hypothetical future assignments. Progressbook Grade Tester solves this problem by providing a simple extension that enables you to calculate and visualize your hypothetical grades.

With Progressbook Grade Tester, you can input different scores for your assignments and instantly see what your grade would be. This feature can be incredibly useful for planning and setting goals, as it allows you to gauge the impact of various scores on your overall grade.

Overall, Progressbook Grade Tester is a handy Chrome extension for Progressbook users who want to have a better understanding of their potential grades. It provides a simple and intuitive way to calculate and visualize hypothetical grades based on different assignment scores.