Snap and ClarifAI is a free Chrome extension developed by Kai.Peng. It falls under the category of Browsers and is specifically listed as an Add-ons & Tools subcategory. This innovative program allows users to implement AI technology into their web browser for the purpose of recognizing celebrities in YouTube videos.

The functionality of Snap and ClarifAI is simple yet effective. When watching a YouTube video, users can simply tap on the extension to take a screenshot of the current clip. Once the screenshot is captured, users can hit the "Predict" button, which will parse the image to Clarifai, an AI-based platform. Clarifai will then analyze the screenshot and return the name of the celebrity featured in the video.

Additionally, Snap and ClarifAI provides a convenient feature that allows users to click on the celebrity's name to learn more about them directly from YouTube. This adds an extra layer of information and engagement for users who are interested in discovering more about their favorite celebrities.

Please note that in order to use Snap and ClarifAI, users are required to register for an API key on clarifai.com. This key is necessary for the proper functioning of the extension.

Overall, Snap and ClarifAI is a valuable tool for YouTube enthusiasts who want to easily identify celebrities in videos using AI technology. Its user-friendly interface and seamless integration with YouTube make it a must-have extension for those who enjoy staying up-to-date with the latest celebrity content.