---
title: "MailKing: Email Campaigns in Gmail by cloudHQ – Chrome extension stats, history and permissions"
description: "10,000 users, rated 4.58 by 121 people. Version 1.0.2.5, updated 2026-06-02. Requests 6 permissions."
url: "https://extensiontracker.com/extension/igmjjjikokpgjnckgfcallenihoeabnk"
---

# MailKing: Email Campaigns in Gmail by cloudHQ

Live in the Chrome Web Store.

- Users: 10,000
- Rating: 4.58 from 121 ratings
- Last checked: 2026-09-27 03:01 UTC
- Users gained in 7 days: – (needs a week of history)
- Users gained in 30 days: – (needs a month of history)
- Rank by users: #5,164 of 264,703 live extensions
- Rank in Communication: #87 of 6,873

## The listing

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

Summary from the listing:

> Send mass emails directly from Gmail

- Extension ID: `igmjjjikokpgjnckgfcallenihoeabnk`
- Developer: [cloudHQ](https://extensiontracker.com/developer/uc6e885dff6cd0631d1ffe667c63fd7a7)
- Category: [Productivity › Communication](https://extensiontracker.com/category/productivity/communication)
- First published: 2017-11-22
- Last updated: 2026-06-02
- Version: `1.0.2.5`
- Size: 563 KiB
- Minimum Chrome: 88
- Languages (11): Deutsch, English, Nederlands, español, français, italiano, polski, português (Brasil), português (Portugal), 中文（中国）, 日本語
- Website: `https://www.mailking.io/`
- Support page: `https://support.cloudhq.net/category/browser-extensions/mailking/`
- Chrome Web Store: <https://chromewebstore.google.com/detail/mailking-email-campaigns/igmjjjikokpgjnckgfcallenihoeabnk>
- View the code or download the CRX, in CRX Viewer: <https://robwu.nl/crxviewer/?crx=https%3A%2F%2Fchromewebstore.google.com%2Fdetail%2Figmjjjikokpgjnckgfcallenihoeabnk>

## Users over time

One row per check, newest first, as shown on the Chrome Web Store.

| Checked | Users | Rating | Ratings |
| --- | ---: | ---: | ---: |
| 2026-09-27 | 10,000 | 4.58 | 121 |

## What changed

Every change found on a check, newest first.

No changes found since tracking began on 2026-09-27.

## What it can access

From the extension's manifest, in plain language.

### Sites

- `https://mail.google.com/`: mail.google.com
- `https://support.cloudhq.net/`: support.cloudhq.net
- `https://www.cloudhq.net/`: www.cloudhq.net

### Sites where it runs scripts

- `https://mail.google.com/*`: mail.google.com

### Browser features

- `background`: Keep running in the background
- `scripting`: Run scripts on sites it can reach
- `storage`: Save settings and data in your browser

## More from this developer

Other extensions from the same publisher account.

| Extension | Users | Rating | Ratings | Category |
| --- | ---: | ---: | ---: | --- |
| [Save Emails as PDF by cloudHQ](https://extensiontracker.com/extension/dngbhajancmfmdnmhhdknhooljkddgnk) | 100,000 | 4.25 | 610 | Workflow & Planning |
| [Gmail™ Email Templates by cloudHQ](https://extensiontracker.com/extension/llccdnmbipddnkhmldacpcjjcnljpoij) | 100,000 | 4.17 | 461 | Communication |
| [Save Emails to Drive by cloudHQ](https://extensiontracker.com/extension/glgaegbgegomicnedooifcbnmppmofkf) | 50,000 | 4.37 | 163 | Workflow & Planning |
| [Backup and Sync Google Drive to other clouds](https://extensiontracker.com/extension/iobcbdgacfkninlcbphihhdlkobkehia) | 50,000 | 4.22 | 558 | Workflow & Planning |
| [Gmail Tabs by cloudHQ](https://extensiontracker.com/extension/ckoglchhifaedlfjhnoaebnloipiepjg) | 30,000 | 4.03 | 152 | Communication |
| [Embed Videos for Gmail™ by cloudHQ](https://extensiontracker.com/extension/lbdnddabdjhmnlclmaaigiaemebgcgpe) | 20,000 | 3.84 | 38 | Communication |
| [Label Sharing for Gmail™ by cloudHQ](https://extensiontracker.com/extension/pmmaemmobdmccnfepmkckendmealjapo) | 20,000 | 4.54 | 212 | Workflow & Planning |
| [Email Privacy Protector: Is My Email Tracked?](https://extensiontracker.com/extension/ocodabmcnjfjeioonacpommjjlmhbccg) | 10,000 | 4.19 | 98 | Communication |
| [Save Emails to Dropbox by cloudHQ](https://extensiontracker.com/extension/kmmbmpkajhenhimnecbblbfojdecfdmk) | 9,000 | 4.64 | 70 | Workflow & Planning |
| [Share and attach files in Gmail™ by cloudHQ](https://extensiontracker.com/extension/dgdeilfnkkmcolnfmghjgjmlalanomdf) | 5,000 | 4.76 | 68 | Communication |

All 13 extensions by [cloudHQ](https://extensiontracker.com/developer/uc6e885dff6cd0631d1ffe667c63fd7a7).

## About this data

Collected from the extension's public Chrome Web Store listing. It's checked every week, because it has 1,000 or more users, and again whenever a new version appears. Last checked 2026-09-27 03:01 UTC; next check around 2026-10-03.

How the data is collected: <https://extensiontracker.com/methodology>.

## Cite this page

Extension Tracker. “MailKing: Email Campaigns in Gmail by cloudHQ” (igmjjjikokpgjnckgfcallenihoeabnk). Chrome Web Store data, last checked 2026-09-27. https://extensiontracker.com/extension/igmjjjikokpgjnckgfcallenihoeabnk. Accessed 2026-09-28.

```bibtex
@misc{extensiontracker_igmjjjikokpgjnckgfcallenihoeabnk,
  title   = {MailKing: Email Campaigns in Gmail by cloudHQ (igmjjjikokpgjnckgfcallenihoeabnk)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-09-27},
  url     = {https://extensiontracker.com/extension/igmjjjikokpgjnckgfcallenihoeabnk},
  urldate = {2026-09-28}
}
```

---

From Extension Tracker, a public record of the Chrome Web Store: <https://extensiontracker.com/extension/igmjjjikokpgjnckgfcallenihoeabnk>. It isn't affiliated with Google. The data is free to reuse under CC BY 4.0 (<https://creativecommons.org/licenses/by/4.0/>), crediting Extension Tracker. Extension, developer and list pages come as Markdown too: add `format=md` to the address, as in `https://extensiontracker.com/extension/{id}?format=md`.