Website & Development · Chrome Extensions & Browser Tools

Checker Plus for Gmail

Free browser extension by Jason Savard that shows Gmail alerts and lets you read, archive or delete mail across several accounts without opening Gmail.

Our take: If you juggle several Gmail inboxes and don't want a tab open all day, Checker Plus covers that need directly, and its store listings show regular releases.

Best forGmail alerts, many accounts

ReviewedOct 2026Freemium

7.55 criteria · see breakdown

Try CheckerFree; extras for any contribution

Checker Plus for Gmail is a free browser extension by developer Jason Savard that shows new Gmail messages in a popup and desktop alerts, so you can read, listen to, archive or delete them without opening Gmail. It works across several Gmail and Google Workspace accounts on Chrome, Firefox and Edge; any contribution adds extra features.

The bottom line

Free, focused Gmail notifier for people with several accounts.

Our score

Reviewed by the Conversion Gems editorial team. Hover a facet to focus it; click to pin.Tap a facet to focus it.

What it is, and why we rate it

One line each. Open a row for detail.

What it really isA free Gmail notifier and quick-action popup for the browser, made by one independent developer.

Our takeIf you juggle several Gmail inboxes and don't want a tab open all day, Checker Plus covers that need directly, and its store listings show regular releases.

Treat the contribution as a tip that also adds extras. If you need Outlook or IMAP accounts or a standalone app, choose a full email client.

Why we rate itGmail notifications, popup reading and multi-account triage for free, with frequent releases.

The catchGmail only, a one-developer project, and the contributor feature list isn't published.

Best / not good for

Best for

People with several Gmail accounts
Users who want voice alerts for new mail
Chrome, Firefox or Edge users

Not good for

Outlook or IMAP users
Teams that need a shared inbox

Trade-offs

Friction report

Trade-offs to know before signing up.

Time to value
Install from your browser's store and sign in with Google; alerts start right away.
Scale breakpoint
Shared team inboxes and non-Gmail accounts are outside its scope.
Walled garden
None: mail stays in Gmail, and local data is removed when you uninstall.

Still a fit?

If none of these block you, start on the free plan.

Try Checker

Where to get Checker Plus for Gmail

Store	Version	Last updated	Price
Chrome Web Store	36.5.2	13 September 2026	Free
Firefox Add-ons	36.5.2	22 September 2026	Free
Microsoft Edge Add-ons	Not checked	Not checked	Free

From the store listings, checked 4 October 2026. A contribution on the developer's site adds extra features.

Frequently Asked Questions

Is Checker Plus for Gmail free?Is Checker Plus for Gmail safe?Is there an email checker for Gmail?How do I log in to Checker Plus for Gmail?Does Checker Plus for Gmail work on Firefox and Edge?Who makes Checker Plus for Gmail?

Is Checker Plus for Gmail free?

Yes. It is free on the Chrome Web Store, Firefox Add-ons and Microsoft Edge Add-ons. Any contribution to the developer adds extra features, with suggested amounts from $2, one-time or monthly, on his contribute page (checked 4 October 2026).

Is Checker Plus for Gmail safe?

The developer's privacy page says Google user data is accessed only to show it to you in the popup or notifications and is not shared with anyone else, and that only your email address is collected for paid features. Firefox lists its permissions as notifications, browser tabs and data for mail.google.com.

Is there an email checker for Gmail?

Yes. Checker Plus for Gmail is one: it shows new Gmail messages in a browser popup and desktop notifications and lets you act on them without opening Gmail.

How do I log in to Checker Plus for Gmail?

Conversion Gems is a review site, not the developer. There is no separate Checker Plus account: the extension uses your Google sign-in (OAuth) for the Gmail accounts you add. Support is at https://jasonsavard.com/forum.

Does Checker Plus for Gmail work on Firefox and Edge?

Yes. It is listed on Firefox Add-ons and Microsoft Edge Add-ons as well as the Chrome Web Store.

Who makes Checker Plus for Gmail?

Independent developer Jason Savard, who also publishes Checker Plus for Google Calendar.