Extension Tracker

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

25 users Rated 4.17 from 6 ratings Last updated 28 Aug 2026

By Onepaper.ai Live in the Chrome Web Store kacoceagfedjpphlnlhbdmhijpnngfco Last checked 27 Sep 2026, 04:01 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
Trader status
Declared a trader under EU law
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
Open in the Chrome Web Store ↗ View the code or download the CRX in CRX Viewer ↗
Users over time As shown on the Chrome Web Store

Tracking began on 27 Sep 2026. The chart appears after the second check.

Show the numbers
CheckedUsersRatingRatings
2026-09-27254.176
Users, 7 days
–
needs a week of history
Users, 30 days
–
needs a month of history
Rank
#108,986
by users, of 264,704 extensions
In its category
#2,202
of 6,872 in Communication

What changed

Every change found on a check, newest first

No changes found since tracking began on 27 Sep 2026.

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 5.0020 Tools
100% Invisible - Tracking Blocker for Gmail | Ghost Mode181 5.003 Workflow & Planning
Email Open Tracker – Unlimited Real-Time Gmail Read Receipts & Tracking170 4.8015 Communication
Make it Pig — No-Code Web Scraper, Data Extractor & Excel Exporter19 5.001 Tools
Smart Modern Tab Manager - Organised Browsing12 5.002 Functionality & UI
Minimalist Tabs Manager - 1Paper Ai12 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 27 Sep 2026, 04:01 UTC; next check around 12 Oct 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 2026-09-27. https://extensiontracker.com/extension/kacoceagfedjpphlnlhbdmhijpnngfco. Accessed 2026-09-28.
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 2026-09-27},
  url     = {https://extensiontracker.com/extension/kacoceagfedjpphlnlhbdmhijpnngfco},
  urldate = {2026-09-28}
}

The data is free to reuse under CC BY 4.0.

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