Checks number of unread e-mails in the ProtonMail Inbox.This Google Chrome extension checks the number of unread e-mails in the ProtonMail Inbox. The extension only works when the ProtonMail is open via URL https://protonmail.ch and is fully logged in.
Usage:
1. Install the ProtonMail Checker extension
2. Click on the ProtonMail Checker icon
3. Log into your ProtonMail account