---
title: "X-mail – Chrome extension stats, history and permissions"
description: "No user count, no ratings yet. Version 0.4.0, updated 2026-10-30. Requests 1 permission."
url: "https://extensiontracker.com/extension/kclkbhdcefhgdebcoboncjlpjofpdced"
---

# X-mail

Live in the Chrome Web Store.

- Users: the store shows no user count
- Rating: no ratings yet
- Last checked: 2026-11-06 09:53 UTC
- Users gained in 7 days: – (needs a week of history)
- Users gained in 30 days: – (needs a month of history)

## The listing

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

Summary from the listing:

> そのひとこと、全員に返信しています。投稿前に一呼吸おくための拡張。

- Extension ID: `kclkbhdcefhgdebcoboncjlpjofpdced`
- Developer: [jojonki](https://extensiontracker.com/developer/u9f1d9cdc367066ecbfa018474573a429)
- Enhanced Safe Browsing: Trusted ([what this means](https://extensiontracker.com/enhanced-safe-browsing))
- Category: [Make Chrome Yours › Functionality & UI](https://extensiontracker.com/category/make_chrome_yours/functionality)
- First published: 2026-10-30
- Last updated: 2026-10-30
- Version: `0.4.0`
- Size: 30.0 KiB
- Minimum Chrome: 88
- Languages (1): 日本語
- Support page: `https://github.com/jojonki/x-mail`
- Chrome Web Store: <https://chromewebstore.google.com/detail/x-mail/kclkbhdcefhgdebcoboncjlpjofpdced>
- View its code or download CRX: <https://crxpeek.com/extension/kclkbhdcefhgdebcoboncjlpjofpdced>
- Search Google for the ID: <https://www.google.com/search?q=%22kclkbhdcefhgdebcoboncjlpjofpdced%22&tbs=li:1>

## Users over time

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

| Checked | Users | Rating | Ratings |
| --- | ---: | ---: | ---: |
| 2026-11-06 | – | – | – |
| 2026-10-31 | – | – | – |

## What changed

Every change found on a check, newest first.

- 2026-11-04: Now trusted by Enhanced Safe Browsing.

## 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 2026-10-31.

We know contact emails only by a keyed hash, so they're never shown. Recent changes: [Account and contact changes](https://extensiontracker.com/owners/).

## What it can access

From the extension's manifest, in plain language.

### Sites where it runs scripts

- `https://twitter.com/*`: twitter.com
- `https://x.com/*`: x.com

### Browser features

- `storage`: Save settings and data in your browser

## More from this developer

Other extensions from the same publisher account.

| Extension | Users | Rating | Ratings | Category |
| --- | ---: | ---: | ---: | --- |
| [Video Speed Controller](https://extensiontracker.com/extension/ndbdjjgcjmdenadephbmglknakcnalil) | 385 | 4.33 | 3 | Accessibility |
| [Copy Text with URL](https://extensiontracker.com/extension/hbeifjjbjnpnpnffifmojplmlcjakhii) | 158 | 4.00 | 1 | Accessibility |
| [Amazonセールフィルター](https://extensiontracker.com/extension/djhedcedgnfbkcpdbfhaphoeicnccobf) | 62 | – | – | Shopping |
| [arXiv GPT summarizer](https://extensiontracker.com/extension/dcilkiljhjdndnedgmpmfcjadddbkkad) | 55 | – | – | Workflow & Planning |
| [arXiv clip](https://extensiontracker.com/extension/enkadffnndphdjnpjamejdjlcbkkbpmp) | 40 | – | – | Accessibility |
| [日英自動翻訳](https://extensiontracker.com/extension/cggoklgmdgpnfhajcnghebgoffnfiffn) | 39 | – | – | Accessibility |
| [Rename Tab](https://extensiontracker.com/extension/phbjakfgapbmjagbakcnacjcpedhbnjh) | 18 | 5.00 | 1 | Tools |
| [Insert arXiv comments for feedly](https://extensiontracker.com/extension/ighkhdckhjdpejfacphhcbmnkbbgflae) | 10 | – | – | Workflow & Planning |
| [Show Password on Hover](https://extensiontracker.com/extension/dekflepfanpgcpapmkfcheobanhhdgff) | 4 | – | – | Tools |

All 10 extensions by [jojonki](https://extensiontracker.com/developer/u9f1d9cdc367066ecbfa018474573a429).

## About this data

Collected from the extension's public Chrome Web Store listing. It's checked again 7 and 30 days after it was published, and again whenever a new version appears. Last checked 2026-11-06 09:53 UTC; next check around 2026-11-29.

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

## Cite this page

Extension Tracker. “X-mail” (kclkbhdcefhgdebcoboncjlpjofpdced). Chrome Web Store data, last checked 2026-11-06. https://extensiontracker.com/extension/kclkbhdcefhgdebcoboncjlpjofpdced. Accessed 2026-11-13.

```bibtex
@misc{extensiontracker_kclkbhdcefhgdebcoboncjlpjofpdced,
  title   = {X-mail (kclkbhdcefhgdebcoboncjlpjofpdced)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-11-06},
  url     = {https://extensiontracker.com/extension/kclkbhdcefhgdebcoboncjlpjofpdced},
  urldate = {2026-11-13}
}
```

---

From Extension Tracker, a public record of the Chrome Web Store: <https://extensiontracker.com/extension/kclkbhdcefhgdebcoboncjlpjofpdced>. 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. Every page except search comes as Markdown too: add `format=md` to the address, as in `https://extensiontracker.com/extension/{id}?format=md`.