The Inbox Checker for ProtonMail is a Google Chrome extension that allows users to conveniently check the number of unread emails in their ProtonMail inbox. This extension is specifically designed for users who rely on ProtonMail as their primary email service.

This simple yet valuable extension provides users with a quick and convenient way to stay updated on the number of unread emails in their ProtonMail inbox. It eliminates the need to constantly navigate to the ProtonMail website or app to check for new messages. With the Inbox Checker for ProtonMail, users can stay organized and never miss an important email again.