Quick Look Inbox for Gmail for Chrome
More About Quick Look Inbox for Gmail
The extension page shows the unread messages in your Gmail inbox. Click the item to view the email content. And you can do some quick actions, including "mark as read", "archive", "delete", etc.
This extension does not collect ANY information from you, and no tracking code. Your data is transferred only between your browser and the Google (Gmail) server, some data is cached in your browser locally, no any data sent to any third party.
1. It only supports Chrome browser. It does not support other Chromium-based browsers currently (because it uses chrome.identity api for authentication).
2. After installing this extension, you need to authorize it to access your Gmail in the settings page.
3. It only supports one Gmail/GoogleWorkspace account per browser profile. If you have multiple accounts, you could use multiple browser profile(People→Add Person, then add this extension on that profile again), or forward other account's email to the main account (Gmail→Settings→Forwarding and POP/IMAP→Forwarding).