Select Filter is a free Chrome add-on developed by ykuwashima. It falls under the category of Browsers and specifically the subcategory of Add-ons & Tools.

This add-on allows users to filter select items on web pages. By adding a filter to all select boxes in the page, users can easily narrow down their options and find the desired item quickly.

One of the key features of Select Filter is the ability to input a target URL list using regular expressions in the option page. This allows users to specify certain URLs or patterns to apply the filter to. For example, users can input a regular expression to filter select items only on URLs that include 'redmine'.

Overall, Select Filter is a handy tool for those who frequently encounter select boxes on web pages and want to streamline their selection process. It provides flexibility and customization options through its URL filtering feature.