CommentExp is a Chrome extension developed by suan nepit, offering a free solution to extract and export Facebook post and video comments efficiently. The program allows users to extract comments from various sources including User Feeds, Page Feeds, and Group Feeds. It provides the ability to save comment lists in CSV, Excel, and JSON formats, with automatic error handling integrated.

To utilize CommentExp, users simply need to paste the Facebook Post Link or Post ID and click the "Start Extracting" button to initiate the export process. The tool is part of the FB Automation Tool Family, which also includes FB Messenger Bot, FB Friend Extractor, Auto Like Tool, and Auto Friend Requester, catering to various Facebook automation needs.