Zestmail - Email Tracking for Gmail

Track when your Gmail emails are opened. Real-time notifications with location and device details. Free to use.

Know the moment your emails get read. Zestmail adds invisible, lightweight tracking to your outgoing Gmail messages — so you always know when someone opens your email. No more guessing whether your message was seen. ✦ FEATURES - Open tracking — Know exactly when and how many times your email is opened - Location & device info — City, browser, and OS for every open - Real-time notifications — Desktop alerts the moment someone opens your email - Side panel — Quick-glance tracking report right inside your Gmail tab - Real-time activity feed — Live timeline of all tracking events in one place - Dashboard & stats — Sent and opened counts with trend indicators - Smart filtering — Automatically filters out bot prefetches and your own opens ✦ PRIVACY-FIRST Zestmail only requests your email address for account identification — nothing else. No inbox reading, no contact scraping, no data selling. All tracking data is tied to your account and never shared with third parties. You stay in full control: toggle tracking and notifications on or off at any time. ✦ HOW IT WORKS 1. Install Zestmail and sign in with your Google account 2. Compose and send emails from Gmail as usual — tracking is added automatically 3. Open the Zestmail popup to see who opened your emails, when, and from where ✦ FREE PLAN Up to 20 tracked emails per day with full open tracking, notifications, and side panel. No credit card required. ✦ LEARN MORE Visit https://zestmail.app for documentation, privacy policy, and support. --- Built for Gmail. Works silently in the background. Zero setup required.