Extension Tracker

MailView – Gmail Email Tracker, Read Statistics & Proof of Receipt Reports

29 users Rated 4.38 from 8 ratings Last updated 28 Aug 2026

By Onepaper.ai Live in the Chrome Web Store kacoceagfedjpphlnlhbdmhijpnngfco Search Google ↗ Last checked 11 Nov 2026, 05:31 UTC

The listing

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

Track email opens in Gmail with real-time read receipts, open notifications, and proof of receipt — know when your emails are read.Summary from the listing
Developer
Onepaper.ai
Enhanced Safe Browsing
Trusted. What this means →
Category
Productivity › Communication
First published
27 May 2026
Last updated
28 Aug 2026
Version
1.5.0
Size
221 KiB
Minimum Chrome
88
Languages
1 language

English

Privacy policy
https://onepaper.ai/privacy-policy
See Chrome Web Store page ↗ View its code or download CRX ↗
Users over time As shown on the Chrome Web Store
262830Tracking began 27 Sep 202627 Sep4 Oct11 Oct18 Oct25 Oct1 Nov8 Nov2026-09-27: 25 users2026-10-12: 31 users2026-11-11: 29 users29262830Tracking began27 Sep18 Oct8 Nov2026-09-27: 25 users2026-10-12: 31 users2026-11-11: 29 users29
Average rating
4.204.3027 Sep11 Oct25 Oct8 Nov4.384.204.3027 Sep18 Oct8 Nov4.38
Number of ratings
67827 Sep11 Oct25 Oct8 Nov867827 Sep18 Oct8 Nov8
New version One point per check. Source: the extension's public Chrome Web Store listing.
Show the numbers
CheckedUsersRatingRatings
2026-11-11294.388
2026-10-12314.297
2026-09-27254.176
Users, 7 days
−2
since a week ago
Users, 30 days
−2
-6.5%
Rank
#106,337
by users, of 292,125 extensions
In its category
#2,169
of 7,818 in Communication

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

Sites
  • https://*.run.app/*run.app and its subdomains
  • https://identitytoolkit.googleapis.com/*identitytoolkit.googleapis.com
  • https://mail.google.com/*mail.google.com
  • https://securetoken.googleapis.com/*securetoken.googleapis.com
  • https://www.google-analytics.com/*www.google-analytics.com
  • https://www.googleapis.com/*www.googleapis.com
Sites where it runs scripts
  • https://mail.google.com/*mail.google.com
Browser features
  • declarativeNetRequestBlock or change network requests, using rules
  • declarativeNetRequestFeedbackSee which of its network rules matched
  • downloadsManage your downloads
  • identitySign you in with your Google account
  • storageSave settings and data in your browser
  • tabsRead the addresses and titles of your tabs

More from this developer

Other extensions from the same publisher account

ExtensionUsersRatingRatingsCategory
MemoryStats – Close Heavy Tabs, Reduce RAM Usage, Boost Chrome Memory Saver2,000 5.0051 Tools
Email Open Tracker – Unlimited Real-Time Gmail Read Receipts & Tracking248 4.6428 Communication
100% Invisible - Tracking Blocker for Gmail | Ghost Mode167 5.003 Workflow & Planning
Make it Pig — No-Code Web Scraper, Data Extractor & Excel Exporter26 5.001 Tools
Smart Modern Tab Manager - Organised Browsing11 5.002 Functionality & UI
Minimalist Tabs Manager - 1Paper Ai9 5.002 Workflow & Planning
All 7 extensions by Onepaper.ai →

About this data

Collected from the extension's public Chrome Web Store listing. It's checked every month, and again whenever a new version appears. Last checked 11 Nov 2026, 05:31 UTC; next check around 10 Dec 2026.

How we collect the data

Cite this page

Citation
Extension Tracker. “MailView – Gmail Email Tracker, Read Statistics & Proof of Receipt Reports” (kacoceagfedjpphlnlhbdmhijpnngfco). Chrome Web Store data, last checked 2026-11-11. https://extensiontracker.com/extension/kacoceagfedjpphlnlhbdmhijpnngfco. Accessed 2026-11-13.
BibTeX
@misc{extensiontracker_kacoceagfedjpphlnlhbdmhijpnngfco,
  title   = {MailView – Gmail Email Tracker, Read Statistics & Proof of Receipt Reports (kacoceagfedjpphlnlhbdmhijpnngfco)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-11-11},
  url     = {https://extensiontracker.com/extension/kacoceagfedjpphlnlhbdmhijpnngfco},
  urldate = {2026-11-13}
}

The data is free to reuse under CC BY 4.0.

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