YT-HighLighter is a Chrome add-on developed by flyseed that serves as a timecode tracker for YouTube videos. It allows users to extract the timecodes of specific moments in a video from popular comments and mark them directly on the video itself. This tool is especially useful for users who want to quickly find and revisit important highlights or specific sections of a YouTube video.

Version 0.13 of YT-HighLighter comes with some notable features. It now triggers the search automatically without the need for toggling. Additionally, it allows users to view multiple comments that share the same timestamp, providing a more comprehensive overview of the discussions related to specific moments in the video.

In version 0.12, the add-on introduces a YTHL tag that appears on top of the player's indicator. This feature ensures that users can easily identify when YT-HighLighter is active and functioning.

Version 0.11 of YT-HighLighter has been updated to adapt to changes in the YouTube user interface, ensuring a seamless and uninterrupted user experience.

Previous versions of the add-on also come with useful features. Version 0.10 addresses a bug that prevented highlights from being removed properly. Version 0.9 allows for the splitting of lengthy comments, ensuring readability and ease of use. Version 0.8 even enables users to extract timecodes from the video's description, expanding the range of sources for finding and marking important moments.

YT-HighLighter is a free add-on available on the Chrome Web Store. It falls under the category of Browsers and the subcategory of Add-ons & Tools. With its ability to track timecodes and mark highlights directly on YouTube videos, it offers a convenient solution for users looking to navigate and revisit specific sections of their favorite videos.