"Gmail Labels as Tabs" is a free and open-source email productivity extension for Google Chrome. Developed by Puru Tuladhar, this extension allows you to customize your Gmail interface by adding Gmail labels as tabs.

With "Gmail Labels as Tabs," you can easily organize your Gmail mailbox labels by turning them into tabs. This helps you keep track of your emails more efficiently and improves your overall productivity. You can also drag and drop the tabs to rearrange them according to your preference.

One of the notable features of this extension is the unread messages badge, which shows you the number of unread emails within each label tab. This makes it easier for you to prioritize and manage your emails effectively.

Additionally, "Gmail Labels as Tabs" supports a dark mode theme, providing a visually pleasing interface for users who prefer dark backgrounds. The extension also synchronizes your settings with your Gmail account, ensuring that your preferences are saved across devices.

It's worth mentioning that "Gmail Labels as Tabs" is 100% open-source and ads-free. The developer emphasizes that they do not mine or sell user data, prioritizing user privacy and security.