Hohoo Inbox — Gmail & Zoho Mail Checker

About

Hohoo Inbox is a lightweight mail checker that lets you monitor multiple Gmail and Zoho Mail accounts in a single view. It runs entirely inside your browser with no backend server, talking directly to the Google and Zoho APIs over OAuth.

■ Key features
• Unified inbox across accounts — Manage Gmail and Zoho Mail in one place (free plan supports up to 7 accounts)
• Unread mail count — See new mail instantly via the toolbar badge
• Mail preview — Read full message bodies right inside the popup or side panel
• Quick actions — Move to trash, mark read/unread, with undo support
• Configurable sync interval — Auto-check every 1 / 3 / 5 / 10 minutes
• Desktop notifications — System notifications when new mail arrives
• Light · Dark · System theme
• Switch freely between popup mode and side panel mode
• Korean and English interface

■ Serverless by design
Hohoo Inbox does not operate any backend server. All mail data is stored only in your browser (`chrome.storage.local`) and is never transmitted externally. OAuth tokens also stay strictly inside your browser.

■ Permissions
• Gmail: `gmail.modify` — used only for reading mail, marking as read, and moving to trash (permanent delete is never requested)
• Zoho Mail: read access to mail / folders / account info and mail action permissions
• Storage / Alarms / Notifications: for caching, periodic checks, and notifications

■ Anonymous analytics
To improve service quality, we send only anonymous events (install, sync results, menu usage, etc.) and context (theme, polling interval, number of connected accounts, extension version) to Google Analytics 4. Email addresses, mail bodies, senders, message IDs, and OAuth tokens are never transmitted.

■ Privacy Policy
https://hohoo.mohoo.net/en?policy=privacy

■ Contact
[email protected]

Hohoo Inbox is an independent third-party extension and is not affiliated with Google LLC or Zoho Corporation Pvt. Ltd.