Youtube Timely Search 作者： web-dev-18

YouTube Timely Search helps users filter YouTube videos by upload date using custom date ranges. Simply search with formats like after:yyyy-mm-dd and before:yyyy-mm-dd to find videos uploaded within a specific time period, making content discovery faster and more precise.

in youtube if you want to search within a time period you need to put query as query after:yyyy-mm-dd before:yyyy-mm-dd so this extension gives you a simple gui icon with which you can pick after and before date and so you can search within a time period