This tool has "False Open Detection" but still is reporting false opens. Just like the Mailtrack extension, this one showed a Gmail recipient as having read the email before they even got it. Doesn't work.
Email tracker for Gmail
Email opens tracking, link clicks statistics, follow-up reminders, and scheduled emails
No signatures or logos in sent emails
Features include tracking of email opens, link tracking, send later, follow-up reminders, daily and weekly email tracking reports, multiple Gmail accounts tracking, live push notifications, and seamless integration into Gmail interface
Perfect for salespeople, SDRs, marketers, content creators, outreachers, and link builders