Ext Ops Panel
Open the app

Gmail Address Checker

Chrome extension by cti-tl · Productivity · Tools

A Chrome extension in Productivity · Tools with 17 users, barely installed.

Specific sites only: 1 match pattern.

What the developer says, and 5 screenshots

Loading from the Chrome Web Store. Open the listing if it does not appear.

Users
17
Rating
not rated yet
Users, last 15 days
unchanged
Version
0.1.0
Updated in the store
2026-05-12
Published
2025-12-08
Manifest
V3
Browser access
2 permissions, 1 site pattern

How it has moved

Users
unchanged since 01.09
15-18 · 9 readings
  1. 2026-09-0117
  2. 2026-09-0218
  3. 2026-09-0515
  4. 2026-09-0616
  5. 2026-09-0716
  6. 2026-09-0917
  7. 2026-09-1016
  8. 2026-09-1317
  9. 2026-09-1517
Users
unchanged since 01.09
15-18 · 9 readings
  1. 2026-09-0117
  2. 2026-09-0218
  3. 2026-09-0515
  4. 2026-09-0616
  5. 2026-09-0716
  6. 2026-09-0917
  7. 2026-09-1016
  8. 2026-09-1317
  9. 2026-09-1517

A dot marks a day the store showed a different number. Between them the line carries the last one forward: we read every listing more than once a day and record a point only when something moves. History beyond ninety days is in the app.

What it can reach

Specific sites only: 1 match pattern.

  • https://mail.google.com/*
  • Act on the current tab, but only after you click it activeTab
  • Store data in your browser storage

The full permission history for this extension

What changed recently

Nothing has moved on this listing since we started watching it.

The publisher

cti-tl publishes 9 listings we track, 473 users between them.

  1. Tailwindcss Extension cti-tl · Productivity · Workflow · published 2021-09-13 130 users ★ 5.0
  2. Simple Memo Extension cti-tl · Make Chrome Yours · Accessibility · published 2021-09-28 106 users ★ 5.0
  3. GitHub Search Extension cti-tl · Productivity · Tools · published 2021-09-19 49 users ★ 4.0
Show 5 more from this publisher
  1. Map Switching Extension cti-tl · Make Chrome Yours · Accessibility · published 2021-09-25 45 users
  2. Blur All Watched Youtube Videos cti-tl · Make Chrome Yours · Accessibility · published 2023-10-10 42 users
  3. oviceChatReader cti-tl · Productivity · Communication · published 2024-08-27 33 users
  4. Localhost Holder Extension cti-tl · Productivity · Workflow · published 2022-06-14 29 users
  5. PopGPT cti-tl · Productivity · Workflow · published 2023-02-22 22 users

Like this one

Listings the catalog judges closest in what they say they do.

  1. Gmail Address Check & Send Verify Tool Describes nearly the same job, smaller audience 3k users ★ 5.0
  2. Gmail Pre-Send Alert Describes nearly the same job, smaller audience 92 users ★ 3.5
  3. Gmail Domain Checker Describes nearly the same job, smaller audience 13 users ★ 5.0
  4. Smart Gmail External Sender Alert Describes nearly the same job, smaller audience 5 users
  5. Gmail External Sender Warning Variator Describes nearly the same job, smaller audience 4 users

The top 5 only. The full comparison, with why each one is close, is on the alternatives page; ranking a whole neighbourhood by your own criteria is in the app.

Is this your extension?

Connect it to Ext Ops Panel and see installs, uninstalls and uninstall reasons as events arrive, not as a weekly summary.

See what the panel does

Figures come from our own daily pass over the public Chrome Web Store listing, last read on . We publish no contact details for extension developers.