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Free, unlimited email tracking for Gmail. MailTracker tells you the moment your emails are opened, right inside Gmail. Free, unlimited email tracking for Gmail. MailTracker tells you the moment your emails are opened, right inside Gmail. A single grey check means your email was sent. A double blue check appears the instant it's read. No new app to learn: the status shows up on your Gmail thread list and inside each conversation. ➤ KEY FEATURES THAT MAKE MAILTRACKER THE BEST EMAIL TRACKER FOR GMAIL • Accurate opens: we filter out Gmail's image pre-fetch, Apple Mail Privacy Protection, and corporate security scanners, so you don't get a "read receipt" the second you hit send. • Your own opens never count: viewing your Sent mail won't trigger a false open. • Real-time: desktop notifications and live status updates the moment an email is opened. • Reports: best send times, open rates, and time-to-first-open across your email. • Fast: a lightweight footprint that doesn't slow Gmail down. ➤ HOW IT WORKS Install MailTracker, connect your Google account in one click, then send as usual. Every email you send from Gmail is tracked and the checkmarks tell you what happened. Nothing to configure. ➤ FREE EMAIL TRACKING FOR GMAIL • Unlimited tracked emails • Full open history • Email and browser notifications ➤ PREMIUM EMAIL TRACKER FEATURES • Link click tracking • Follow-up reminders • CSV export • Scheduled-send tracking • No MailTracker signature ➤ PART OF MAILSUMO MailTracker email tracker is one of four Mailsumo tools sharing a single account: Email Extractor, Email Finder, Email Tracker and the Email Verifier add-on. One login, one invoice, and the option of a bundle if you use more than one. ➤ PRIVACY We store subject lines and recipients to power your reports, never the body of your emails. Recipient IP addresses are anonymized. See our privacy policy at https://mailsumo.io/privacy. Not affiliated with Google. Gmail is a trademark of Google LLC.
Aug 15, 2026
rating_count is the Chrome Web Store ratings count, not a written-review count.
Media assets
Screenshots and videos on the listing.
Has promo video
Whether the listing includes at least one video.
Languages
Declared language locales.
Developer website
Listing exposes a developer website URL.
Contact email
Listing exposes a contact email.
Keyword in name
Case-insensitive substring match in the name.
Keyword in description
Case-insensitive substring match in the description.
Keyword occurrences in description
Count of case-insensitive occurrences in the description.
Category user-count percentile
Share of same-category extensions with fewer users (null if unknown).
These are transparent listing completeness / keyword signals, not a prediction of Chrome Web Store search ranking.