TikTok Keyword Searcher Extension allows users to search for TikTok videos effortlessly by using keywords. With this tool, users can search within any user's favorites, liked, collections, reposts, and posts. Additionally, users have the flexibility to filter videos by specifying a custom date range for their posting dates.

After installing the extension, users are advised to refresh tiktok.com to ensure seamless functionality. It is essential to be logged in to view personal favorites, liked videos, etc. The current version of the extension searches through each video's description, creator, and sound, with potential future updates to include the video transcript or cover image.