MailTracker.io
See exactly when your emails are opened

Best email tracker for Gmail

Know the moment your email is opened. MailTracker is the most advanced email tracking tool for Gmail and Chrome in 2026.

Install our email tracker Chrome extension for Gmail for free.

Sent · Gmail
  • Priya Anand
    Proposal for Q3 partnership
    9:41 AMSent
  • Marcus Lee
    Re: Contract redlines
    YesterdayOpened
  • Dana Whitfield
    Intro: design systems
    MonSent
Real-time notifications Accurate open detection No email content stored Works inside Gmail
Why tracking emails with MailTracker?

Why should you track your emails with MailTracker.io

Real-time

Know the second your email is opened

Get an instant notification the moment a recipient opens your email, so you can follow up while you're still top of mind.

Higher reply rate

Time your follow-ups around real behavior instead of guesswork.

+25%
Open rate

Learn which subject lines actually get your emails read.

Spot your hottest leads

See who keeps opening and clicking, so you always know exactly who to reach out to next.

Close more deals

Walk into every follow-up knowing precisely how interested a prospect is in your offer.

A/B test your emails

Compare subject lines and content to double down on whatever actually gets read and replied to.

Prove your ROI

Measure what your outreach really returns and make decisions with data instead of gut feel.

Stay out of spam

Confirm your emails are landing and getting opened, not quietly filtered into a spam folder.

How it works

Tracking that lives inside Gmail

  1. 1

    Right inside Gmail

    MailTracker adds a small tracking icon straight into your Gmail compose window. No new app, no extra tab, nothing new to learn.

  2. 2

    One click to toggle

    Click the icon to turn tracking on or off for any individual email. A tooltip always shows you the current state before you hit send.

  3. 3

    Completely discreet

    Your recipient just sees a normal email. Tracking is invisible on their end, so nothing gives it away.

New Message
Send
Tracking is currently on
Features

Everything you need to follow up at the right time

Real-time open alerts

A desktop notification and a live status update the second your email is read.

Per-open timeline

See every open with time, device, and approximate location, right in the conversation.

Link click tracking

Know which links got clicked, not just whether the email was opened.

Follow-up reminders

Get nudged to follow up if a recipient hasn’t opened after a set time.

Reports & insights

Best send times, open rates, and time-to-first-open across all your email.

Multi-account

Track across every Gmail account you use, each kept cleanly separate.

Accuracy first

Opens you can actually trust

  • Gmail pre-fetches images for security before your recipient ever opens the email. We ignore those, so you don’t get a “read” the second you hit send.
  • Apple Mail Privacy Protection and corporate scanners load pixels automatically. We filter them out instead of counting them as opens.
  • Your own opens never count: a browser-level rule blocks your pixel, so checking your Sent folder won’t trigger a false read.
Open detectionLive
  • Gmail image prefetchLoaded before deliveryFiltered
  • Apple Mail PrivacyAutomated pixel loadFiltered
  • Security scannerCorporate gatewayFiltered
  • Priya opened your emailiPhone · 9:41 AMCounted

We filter automated loads and count only genuine, human opens.

Pricing

Start free. Upgrade when it pays for itself.

Free

$0

Everything you need to get started.

  • 20 tracked emails / month
  • Real-time open notifications
  • Full open history & reports
  • Email alerts
Add to Chrome
Most popular

Premium

$7.99/ month
  • Unlimited tracked emails
  • Link click tracking
  • Follow-up reminders
  • Per-recipient attribution
  • CSV export & scheduled-send tracking
  • No MailTracker signature
Upgrade to Premium

Cancel anytime, no surprises.

FAQ

Questions, answered

Does the recipient know I’m tracking?

MailTracker works like most email tracking tools: it uses an invisible pixel. Free-plan emails include a small “Sent with MailTracker” signature, which you can remove per email or by upgrading.

Why do some tools show false opens?

Gmail, Apple Mail, and corporate scanners automatically load images before a human reads the email. MailTracker classifies these events and only counts genuine opens, so you don’t get phantom reads.

Will my own opens be counted?

No. A browser-level rule blocks your own tracking pixel, so viewing your Sent mail never registers as an open. (This means testing with a second account in the same browser will show “not opened,” which is expected.)

What data do you store?

We store your subject lines, recipients, and open/click events to power your reports. We never store the body of your emails, and recipient IP addresses are anonymized.

Can I cancel anytime?

Yes. Premium is self-serve through the Stripe customer portal. Cancel in a couple of clicks, with no emails and no retention hoops.

Free email tracker for Gmail

Add MailTracker to Chrome and start tracking emails in Gmail for free.

Install for Chrome