WhatsUpper? is a free Chrome extension developed by Pierluigi Zagaria. It falls under the category of Browsers and the subcategory of Add-ons & Tools. The main purpose of this extension is to automatically capitalize the first letter of each chat in WhatsApp.

Upon installation, WhatsUpper? adds a toggle feature to the extension menu. This allows users to easily enable or disable the auto-capitalization feature according to their preference. With this extension, users no longer have to manually capitalize the first letter of each chat, saving them time and effort.

WhatsUpper? is a convenient tool for WhatsApp users who prefer their chats to have proper capitalization. It is a simple and straightforward extension that seamlessly integrates with the WhatsApp platform, providing users with a hassle-free experience.