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MailKing: Email Campaigns in Gmail by cloudHQ

Chrome extension by cloudHQ · Productivity · Communication

  • Featured
  • Established publisher
  • Trader

A Chrome extension in Productivity · Communication with 10 000 users, an established extension.

Specific sites only: 3 match patterns.

What the developer says, and 4 screenshots

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

Users
10 000
Rating
4.6 (121 ratings)
Users, last 12 days
unchanged
Rating, last 30 days
Not watched long enough to say
Version
1.0.2.5
Updated in the store
2026-06-02
Published
2017-11-22
Manifest
V3
Browser access
3 permissions, 3 site patterns

How it has moved

Users
unchanged since 01.09
10k · 2 readings
  1. 2026-09-0110k
  2. 2026-09-1210k
Rating
unchanged since 01.09
reviewsrating 4.58 · 2 readings
  1. 2026-09-01reviews121rating4.58
  2. 2026-09-12reviews121rating4.58
Users
unchanged since 01.09
10k · 2 readings
  1. 2026-09-0110k
  2. 2026-09-1210k
Rating
unchanged since 01.09
reviewsrating 4.58 · 2 readings
  1. 2026-09-01reviews121rating4.58
  2. 2026-09-12reviews121rating4.58

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: 3 match patterns.

  • https://mail.google.com/
  • https://support.cloudhq.net/
  • https://www.cloudhq.net/
  • Run its own code on the pages it can access scripting
  • Keep running while the browser is open background
  • 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

cloudHQ publishes 13 listings we track, 409k users between them. Listed website: mailking.io.

  1. Save Emails as PDF by cloudHQ cloudHQ · Productivity · Workflow · published 2016-05-07 100k users ★ 4.3
  2. Gmail™ Email Templates by cloudHQ cloudHQ · Productivity · Communication · published 2016-06-16 100k users ★ 4.2
  3. Save Emails to Drive by cloudHQ cloudHQ · Productivity · Workflow · published 2016-05-26 50k users ★ 4.4
Show 5 more from this publisher
  1. Backup and Sync Google Drive to other clouds cloudHQ · Productivity · Workflow · published 2011-04-20 50k users ★ 4.2
  2. Gmail Tabs by cloudHQ cloudHQ · Productivity · Communication · published 2018-10-25 30k users ★ 4.0
  3. Embed Videos for Gmail™ by cloudHQ cloudHQ · Productivity · Communication · published 2018-11-06 20k users ★ 3.8
  4. Label Sharing for Gmail™ by cloudHQ cloudHQ · Productivity · Workflow · published 2015-08-12 20k users ★ 4.5
  5. Save Emails to Dropbox by cloudHQ cloudHQ · Productivity · Workflow · published 2016-05-11 10k users ★ 4.6

Like this one

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

  1. GMass: Powerful mail merge for Gmail Describes nearly the same job, with a large installed audience 400k users ★ 4.8
  2. GMerge - Mail Merge for Gmail Describes nearly the same job, smaller audience 4 users
  3. Mass Email Sender Describes nearly the same job, smaller audience 469 users ★ 3.8
  4. FullMail: Smart Mail Merge Inside Gmail Describes nearly the same job, smaller audience 18 users
  5. Gmail Campaign Sender Describes nearly the same job, smaller audience 15 users ★ 5.0

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.