Comments Filter for Facebook is a free Chrome extension developed by yakushinanton. This add-on falls under the category of Browsers and specifically the subcategory of Add-ons & Tools.

The main purpose of this extension is to simplify the search for comments on Facebook. It aims to make it easier to find comments made by your friends or any other person you follow among the numerous comments left on a post.

The extension offers several useful features to streamline the comment search process. You can quickly filter comments by authors of posts or people who have "commented on this". It also allows you to automatically search for people you have selected in the "Previous comments" section. Furthermore, it provides the option to show all users who have participated in a discussion, with the ability to add them to the filter (currently limited to visible comments only).

Additionally, you can search for comments by user name and remove already selected users from the filter. The extension even allows you to quickly add people who were mentioned in comments to the filter.

Overall, Comments Filter for Facebook is a handy tool for anyone who wants to efficiently search for specific comments on Facebook posts. Keep an eye out for new features as the developer is actively working on updates. Feel free to provide suggestions to further enhance this extension.