SentSignal – Email Tracker for Gmail

by SentSignal · Workflow & Planning

Manifest V3 in_app

View in Chrome Web Store Data as of 18 Oct 2026

Free unlimited email tracking for Gmail with open history, private notes, synced folders, and reusable templates.

Users

+14 in 30 days

Rating

5.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#146K

#121K among extensions

Version

0.7.2

updated 22 Aug 2026

Users

monthly, 2 months

Latest, 18 Oct 2026: 23 usersMove the mouse over the chart for any month

Ratings count

monthly, 2 months

Latest, 18 Oct 2026: 1 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About SentSignal – Email Tracker for Gmail

SentSignal is an email tracker for Gmail that adds open tracking, private mail notes, folders, follow-up reminders, and reusable templates directly to Gmail. Main features: • Track email opens from the Gmail Send button • Review open counts and exact timestamps in the side panel • Add a private note beside any visible Gmail message • Organize messages in SentSignal folders without moving the original email • Save text, email, image, and banner templates • Connect Google once to restore SentSignal data across reinstalls Free includes unlimited open tracking, 2 folders, and 3 templates. Pro adds more organization space, up to 50 templates including up to 10 images, and control over the SentSignal badge on tracked email. SentSignal does not request Gmail mailbox API access or upload complete inbox contents. SentSignal is independent and is not affiliated with, sponsored by, or endorsed by Google. Gmail is a trademark of Google LLC.