Extension Tracker

Tracker Blocker: Stop trackers in emails

7,000 users Rated 3.08 from 12 ratings Last updated 15 Dec 2025

By GMass, Inc. Live in the Chrome Web Store okacfeiojkgmcaonaikblpicellplcdn Search Google ↗ Last checked 6 Nov 2026, 21:19 UTC

The listing

What the Chrome Web Store shows, as of the last check

Stops open-tracking from working in emails.Summary from the listing
Developer
GMass, Inc.
Enhanced Safe Browsing
Trusted. What this means →
Category
Productivity › Workflow & Planning
First published
25 Jan 2022
Last updated
15 Dec 2025
Version
2.0.1
Size
10.44 KiB
Minimum Chrome
88
Languages
1 language

English (United States)

Website
http://www.gmass.co/
Support page
https://www.gmass.co/g/support
See Chrome Web Store page ↗ View its code or download CRX ↗
Users over time As shown on the Chrome Web Store
6.9K7K7.1KTracking began 27 Sep 202627 Sep4 Oct11 Oct18 Oct25 Oct1 Nov2026-09-27: 7,000 users2026-10-03: 7,000 users2026-10-10: 7,000 users2026-10-17: 7,000 users2026-10-24: 7,000 users2026-10-30: 7,000 users2026-11-06: 7,000 users7,0006.9K7K7.1KTracking began27 Sep11 Oct25 Oct2026-09-27: 7,000 users2026-10-03: 7,000 users2026-10-10: 7,000 users2026-10-17: 7,000 users2026-10-24: 7,000 users2026-10-30: 7,000 users2026-11-06: 7,000 users7K
Average rating
3.003.1027 Sep11 Oct25 Oct3.083.003.1027 Sep11 Oct25 Oct3.08
Number of ratings
1227 Sep11 Oct25 Oct121227 Sep11 Oct25 Oct12
New version One point per check. Source: the extension's public Chrome Web Store listing.
Show the numbers
CheckedUsersRatingRatings
2026-11-067,0003.0812
2026-10-307,0003.0812
2026-10-247,0003.0812
2026-10-177,0003.0812
2026-10-107,0003.0812
2026-10-037,0003.0812
2026-09-277,0003.0812
Users, 7 days
No change
since a week ago
Users, 30 days
No change
+0.0%
Rank
#8,681
by users, of 292,131 extensions
In its category
#2,751
of 49,294 in Workflow & Planning

What changed

Every change found on a check, newest first

No changes found since tracking began on 27 Sep 2026.

Developer history

Moves to another publisher account and new contact emails, newest first

No move to another account and no new contact email since tracking began on 27 Sep 2026.

We know contact emails only by a keyed hash, so they're never shown. Recent account and contact changes →

What it can access

From the extension's manifest, in plain language

Browser features
  • declarativeNetRequestBlock or change network requests, using rules
  • declarativeNetRequestFeedbackSee which of its network rules matched
  • notificationsShow notifications
  • storageSave settings and data in your browser

More from this developer

Other extensions from the same publisher account

ExtensionUsersRatingRatingsCategory
GMass: Powerful mail merge for Gmail400,000 4.749,238 Communication
All 2 extensions by GMass, Inc. →

About this data

Collected from the extension's public Chrome Web Store listing. It's checked every week, because it has 1,000 or more users, and again whenever a new version appears. Last checked 6 Nov 2026, 21:19 UTC; next check around 14 Nov 2026.

How we collect the data

Cite this page

Citation
Extension Tracker. “Tracker Blocker: Stop trackers in emails” (okacfeiojkgmcaonaikblpicellplcdn). Chrome Web Store data, last checked 2026-11-06. https://extensiontracker.com/extension/okacfeiojkgmcaonaikblpicellplcdn. Accessed 2026-11-13.
BibTeX
@misc{extensiontracker_okacfeiojkgmcaonaikblpicellplcdn,
  title   = {Tracker Blocker: Stop trackers in emails (okacfeiojkgmcaonaikblpicellplcdn)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-11-06},
  url     = {https://extensiontracker.com/extension/okacfeiojkgmcaonaikblpicellplcdn},
  urldate = {2026-11-13}
}

The data is free to reuse under CC BY 4.0.

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