Documentation
How Mail Tracker works, what it can and cannot do, and how to set it up in a few minutes.
What it can do
- Opens with exact time, count and device
- Link clicks per link
- Ticks inside Gmail Sent
- Ignores your own opens
- Desktop, push and email alerts
- Reports, CSV and PDF export
- Many Gmail accounts, one login
What it cannot do
- How long someone read an email
- Opens when the recipient blocks images
- Direct attachment opens (use a cloud link)
- Emails sent from the Gmail phone app
- Exact person behind a forwarded email
Getting started
- Sign in with Google on the website.
- Open Extension in the dashboard, download the ZIP, unzip it and load it in
chrome://extensions(Developer mode → Load unpacked). - Click Connect this browser. No key copying needed — the browser links to your account automatically.
- Write an email in Gmail. A small Mail Tracker toggle appears next to Send (works in every Gmail language). Send as usual.
Ticks in Gmail
In your Sent folder, ✓ means tracked and sent, ✓✓ means opened, with the open count beside it. Hover the ticks to see each open time and device; click through for the full history.
Open tracking
An invisible image is added to each tracked email. When the recipient's email app loads it we record the time and device. Your own views are ignored automatically: opens in the first seconds after sending and while you are viewing the email in Gmail are not counted.
Link click tracking (Pro)
Web links (http/https) — websites, Google Drive, Dropbox, Calendly, Zoom and more — are wrapped so a click is recorded and the person is sent straight to the real page. mailto:/tel: links and direct attachments are not tracked; share PDFs as a cloud link to see who opened them.
Notifications
Free: live alerts inside the dashboard. Pro/Lifetime: desktop push alerts (even when the site is closed), email alerts and click alerts. Turn them on under Notifications and allow notifications in your browser.
Dashboard & reports
See tracked emails, opens, open rate and clicks; Hot leads (3+ opens or a click), emails needing follow-up (unopened for 48h+), best day and hour to send, top links and most engaged recipients. Export to CSV or print to PDF. Free shows the last 7 days.
Multiple Gmail accounts
One Mail Tracker login covers every Gmail in the browser. Each email is filed under the Gmail address that sent it.
Plans & billing
Free: 50 tracked emails per month. Pro: unlimited, monthly or yearly. Lifetime: one payment. Invoices and receipts are under Plans & billing. Cancel any time — you keep Pro until the period you paid for ends, and you can resume before then.