Message Counter for Gmail™ is a Chrome extension developed by Jacob "kurtextrem" Groß. This free add-on falls under the category of Browsers and specifically the subcategory of Add-ons & Tools. The purpose of this extension is to conveniently display the mail count of the conversation next to the scrollbar in Gmail™.

With Message Counter for Gmail™, users can easily keep track of the number of mails in the currently viewed conversation. This information is displayed right next to the scrollbar, allowing for quick and effortless reference. By providing this feature, the extension enhances the user experience by providing a visual representation of the mail count, eliminating the need to manually count the number of mails in a conversation.

For those interested in the technical details, Message Counter for Gmail™ is an open-source extension available on GitHub. The extension's icon, designed by Abhishek Pipalva, adds a visually appealing touch to the overall user interface.

Overall, Message Counter for Gmail™ is a useful tool for Gmail™ users who want a simple and convenient way to view the mail count of their conversations.