Mika's Gmail Checker
Overview
Chrome にサインイン済みの複数 Gmail アカウントの未読をまとめて監視する、自作のメールチェッカーです。
Mika's Gmail Checker shows the unread messages of every Gmail account you are signed in to in Chrome, all in one place. If you use several Gmail accounts, checking each inbox one by one takes time. This extension gathers the unread mail of all your signed-in accounts into a single popup list, with a combined unread count on the toolbar icon, so you can see at a glance what needs your attention. FEATURES - Unread mail from all signed-in Gmail accounts in one list - Combined unread badge on the toolbar icon - Read a message preview right in the popup - Mark a message as read in one click — it is marked as read in Gmail itself, so it also shows as read on your phone and other devices - Desktop notifications for new mail (can be turned off, per account too) - Choose the check interval and the order accounts are shown in HOW TO USE Sign in to Chrome with the Google accounts you want to watch, then click the extension icon. There is nothing else to set up and no password to enter — the extension works with the accounts already signed in to your browser. PRIVACY Everything stays on your device. Your settings and a local snapshot of unread message headers are stored only in your browser's local storage. The extension has no server, sends nothing to the developer or to any third party, and does not use analytics or advertising. The only site it communicates with is Gmail (mail.google.com), using your own signed-in session. See the privacy policy for details. Please note: this extension works through Gmail's web interface, so a future change on Google's side may temporarily affect some features. PERMISSIONS The extension asks only for the permissions its features need, all limited to Gmail: periodic checks (alarms), new-mail notifications (notifications), saving your settings on your device (storage), opening Gmail tabs and confirming the right account when you click a message (tabs, scripting, cookies, webRequest — observe-only), and access to mail.google.com only. SUPPORT Contact email: amanjiru2019@gmail.com Mika's Gmail Checker is an unofficial tool and is not affiliated with Google LLC. Gmail is a trademark of Google LLC.
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Details
- Version2.5.5
- UpdatedNovember 12, 2026
- Offered byMikael
- Size57.95KiB
- LanguagesEnglish
- Developer
Email
amanjiru2019@gmail.com - Non-traderThis developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.
Privacy
Mika's Gmail Checker has disclosed the following information regarding the collection and usage of your data. More detailed information can be found in the developer's privacy policy.
Mika's Gmail Checker handles the following:
This developer declares that your data is
- Not being sold to third parties, outside of the approved use cases
- Not being used or transferred for purposes that are unrelated to the item's core functionality
- Not being used or transferred to determine creditworthiness or for lending purposes