YT Chart History is a Chrome extension developed by mirko, falling under the Add-ons & Tools category. This free tool provides users with an ordered list of the most viewed videos from YouTube's history. By utilizing this extension, users can easily access and explore the top videos that have garnered immense viewership on the popular video-sharing platform.

With YT Chart History, users can conveniently discover trending videos and track the evolution of viewership patterns over time. This Chrome extension offers a seamless way to stay informed about the most popular and influential videos that have captured the attention of the online community.