Extension Tracker

Gmail Button - Custom Buttons & QR Codes

359 users Rated 5.00 from 6 ratings Last updated 8 Nov 2026

By Agesilaus Holding LLC Live in the Chrome Web Store kclafgfgjcljnnokfegpkpelikgnomdm Search Google ↗ Last checked 9 Nov 2026, 05:48 UTC

The listing

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

Add customizable buttons and QR codes to your Gmail compose windowsSummary from the listing
Developer
Agesilaus Holding LLC
Enhanced Safe Browsing
Trusted. What this means →
Category
Productivity › Communication
First published
10 Nov 2025
Last updated
8 Nov 2026
Version
1.1.0
Size
161 KiB
Minimum Chrome
88
Languages
1 language

English

See Chrome Web Store page ↗ View its code or download CRX ↗
Users over time As shown on the Chrome Web Store
340350360Tracking began 27 Sep 202627 Sep4 Oct11 Oct18 Oct25 Oct1 Nov8 Nov2026-09-27: 333 users2026-10-23: 361 users2026-11-09: 359 users2026-11-09: new version359340350360Tracking began27 Sep18 Oct8 Nov2026-09-27: 333 users2026-10-23: 361 users2026-11-09: 359 users2026-11-09: new version359
Average rating
4.804.905.0027 Sep11 Oct25 Oct8 Nov5.004.804.905.0027 Sep18 Oct8 Nov5.00
Number of ratings
627 Sep11 Oct25 Oct8 Nov6627 Sep18 Oct8 Nov6
New version One point per check. Source: the extension's public Chrome Web Store listing.
Show the numbers
CheckedUsersRatingRatings
2026-11-093595.006
2026-10-233615.006
2026-09-273335.006
Users, 7 days
−2
since a week ago
Users, 30 days
+26
+7.8%
Rank
#39,751
by users, of 292,131 extensions
In its category
#666
of 7,816 in Communication

What changed

Every change found on a check, newest first

  1. New version 1.1.0, replacing 1.0.1.

    Removed the sites http://localhost:3000/*, http://localhost:3001/*, https://dashboard.emailbuttons.com/*, https://www.emailbuttons.com/*.

    Removed the sites where it runs scripts http://localhost:3000/*, https://dashboard.emailbuttons.com/*.

    The developer's website link changed.

    The privacy policy link changed.

  2. Now declared a trader under EU law.

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://mail.google.com/*mail.google.com
Sites where it runs scripts
  • https://mail.google.com/*mail.google.com
Browser features
  • storageSave settings and data in your browser

More from this developer

Other extensions from the same publisher account

ExtensionUsersRatingRatingsCategory
DESIGN.md Inspector7,000 5.002 Developer Tools
Apify Stats by ParseBird1,000 5.001 Developer Tools
Responsive Simulator - Multi Device Viewport Tester21 –– Developer Tools
All 4 extensions by Agesilaus Holding LLC →

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 9 Nov 2026, 05:48 UTC; next check around 7 Dec 2026.

How we collect the data

Cite this page

Citation
Extension Tracker. “Gmail Button - Custom Buttons & QR Codes” (kclafgfgjcljnnokfegpkpelikgnomdm). Chrome Web Store data, last checked 2026-11-09. https://extensiontracker.com/extension/kclafgfgjcljnnokfegpkpelikgnomdm. Accessed 2026-11-13.
BibTeX
@misc{extensiontracker_kclafgfgjcljnnokfegpkpelikgnomdm,
  title   = {Gmail Button - Custom Buttons & QR Codes (kclafgfgjcljnnokfegpkpelikgnomdm)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-11-09},
  url     = {https://extensiontracker.com/extension/kclafgfgjcljnnokfegpkpelikgnomdm},
  urldate = {2026-11-13}
}

The data is free to reuse under CC BY 4.0.

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