Top Chrome Extensions for Email Tracking
Email Tracking Chrome extensions — 30K monthly searches · Rankings shifted 17× in 7 days · Top 3 locked — dominated by incumbents
What Developers Can Learn
Intelligence derived from tracked keywords across all Email Tracking sub-keywords
Most Congested
The Email Tracking space is heavily dominated by Mailtrack with 3 million users — roughly 10x the second-place competitor at 300K users.
With a concentration ratio of 0.938, the top three extensions control nearly all user attention.
Ratings cluster tightly between 4.4 and 4.9, raising the bar for any new entrant.
Possible Openings
Adjacent keywords Email Finder (42.5K searches) and Verify Email Addresses (9.6K searches) offer substantially lower competition with meaningful search volume.
These capabilities complement tracking but attract fewer established players.
Positioning Patterns
All top extensions include 'Tracker' in their names, signaling clear keyword alignment.
Two of three top performers market themselves with 'free' or 'unlimited' positioning.
Multi-feature bundles (pixelblock, recall, detection) appear across top-ranked extensions, suggesting single-feature tools face an uphill battle.
Top Extensions Leaderboard
7-day ranking snapshot and appearances in Top 10
| # | Extension | Users | Rating | Appearances | Category | Momentum |
|---|---|---|---|---|---|---|
| 1 |  Email Tracker by Mailtrack® | 3,000,000+ | ⭐ 4.4 | 7/7d | — stable | |
| 2 |  Email Tracker + Pixelblock Detector & Blocker | 300,000+ | ⭐ 4.6 | 7/7d | — stable | |
| 3 |  Unlimited Email Tracker by Snov.io | 100,000+ | ⭐ 4.9 | 7/7d | — stable | |
| 4 |  MailTracker: Email tracker for Gmail | 100,000+ | ⭐ 4.7 | 7/7d | — stable | |
| 5 |  Email Tracker by cloudHQ | 30,000+ | ⭐ 4.1 | 7/7d | — stable | |
| 6 |  Streak Email Tracking for Gmail | 70,000+ | ⭐ 4.8 | 7/7d | — stable | |
| 7 |  Free Unlimited Email Tracker for Gmail, No Signature | TrackMailBox | 2,000+ | ⭐ 4.7 | 7/7d | ↑ rising | |
| 8 |  Email Tracker, Email Tracking w/ AI - Mailtag | 10,000+ | ⭐ 3.9 | 7/7d | ↓ dropping | |
| 9 |  Email Tracker For Gmail - MailerPlex | 3,000+ | ⭐ 4 | 7/7d | ↓ dropping | |
| 10 |  Email Privacy Protector: Is My Email Tracked? | 10,000+ | ⭐ 4.2 | 7/7d | ↓ dropping |
Email Tracker by Mailtrack®
3,000,000+ · ⭐ 4.4 · 7/7d
Email Tracker + Pixelblock Detector & Blocker
300,000+ · ⭐ 4.6 · 7/7d
Unlimited Email Tracker by Snov.io
100,000+ · ⭐ 4.9 · 7/7d
MailTracker: Email tracker for Gmail
100,000+ · ⭐ 4.7 · 7/7d
Email Tracker by cloudHQ
30,000+ · ⭐ 4.1 · 7/7d
Streak Email Tracking for Gmail
70,000+ · ⭐ 4.8 · 7/7d
Free Unlimited Email Tracker for Gmail, No Signature | TrackMailBox
2,000+ · ⭐ 4.7 · 7/7d
Email Tracker, Email Tracking w/ AI - Mailtag
10,000+ · ⭐ 3.9 · 7/7d
Email Tracker For Gmail - MailerPlex
3,000+ · ⭐ 4 · 7/7d
Email Privacy Protector: Is My Email Tracked?
10,000+ · ⭐ 4.2 · 7/7d
Ranking Volatility - Top 10 Ranks
7-day Top 10 movement snapshot (2026-05-12 to 2026-05-18)
Data Methodology
- Data source:
- Chrome Web Store search results
- Update frequency:
- Weekly
- Monthly Search Demand:
- Estimated demand indicator sourced from third-party keyword data. Not CWS-internal figures.
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