The osu! PP Calculator is a simple extension for the Chrome browser that allows users to quickly calculate PP (performance points) values for osu! Beatmaps. Developed by Glean, this free add-on falls under the Browsers category and specifically the Add-ons & Tools subcategory.

With the osu! PP Calculator, users can easily determine the PP values for any submitted osu! Beatmap. The extension provides up-to-date PP calculations based on the latest PP rework, ensuring accuracy and reliability. Additionally, it offers the ability to calculate PP based on various accuracies, making it flexible for different playstyles and skill levels.

One of the standout features of the osu! PP Calculator is its inclusion of Hidden, Hardrock, DoubleTime, and Flashlight modifications. These modifications can significantly affect the difficulty and scoring potential of a beatmap, and the calculator takes them into account when calculating the PP value.

Overall, the osu! PP Calculator is a handy tool for osu! players who want to quickly calculate PP values for beatmaps directly in their web browser. Its simplicity and accuracy make it a valuable addition to any osu! player's toolkit.