Active Tab Exporter for Chrome is a free browser add-on developed by MNM Applications. It allows users to export their currently open Chrome tab URLs to the clipboard or download them as a file.

With Active Tab Exporter for Chrome, you can easily export all of your open tab URLs without the need to manually copy and paste each one. Instead, you can simply click a button and have all the URLs saved in one place.

The extension offers several useful features, including the option to include all open Chrome windows or just the tabs in the currently active window. Additionally, you can choose to sort the output, copy the list of URLs to your clipboard, or export them to a file in TXT, CSV, or JSON format.

Please note that Active Tab Exporter for Chrome requires the 'tabs' permission to fetch all of your open tab URLs for exporting purposes.