---
title: "HTML Closing Tag Checker – Chrome extension stats, history and permissions"
description: "1,000 users, rated 3.25 by 4 people. Version 1.1.3, updated 2026-08-18. Requests 4 permissions."
url: "https://extensiontracker.com/extension/nbmjgikigpojiflkoicjfkkdcpenhbmk"
---

# HTML Closing Tag Checker

Live in the Chrome Web Store.

- Users: 1,000
- Rating: 3.25 from 4 ratings
- Last checked: 2026-09-27 06:00 UTC
- Users gained in 7 days: – (needs a week of history)
- Users gained in 30 days: – (needs a month of history)
- Rank by users: #17,733 of 264,704 live extensions
- Rank in Developer Tools: #1,538 of 27,614

## The listing

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

Summary from the listing:

> Checks if there are any unclosed HTML tags in the current page or in the HTML tags entered

- Extension ID: `nbmjgikigpojiflkoicjfkkdcpenhbmk`
- Developer: [OrcaSoft](https://extensiontracker.com/developer/ua17f1e1b00a327b3eab58bbc988f5f76)
- Trader status: Not declared a trader under EU law
- Category: [Productivity › Developer Tools](https://extensiontracker.com/category/productivity/developer)
- First published: 2024-05-18
- Last updated: 2026-08-18
- Version: `1.1.3`
- Size: 88.03 KiB
- Minimum Chrome: 88
- Languages (2): English, 日本語
- Website: `tool-place.net`
- Support page: `https://orca-soft.net/info/support.php?service=4`
- Chrome Web Store: <https://chromewebstore.google.com/detail/html-closing-tag-checker/nbmjgikigpojiflkoicjfkkdcpenhbmk>
- View the code or download the CRX, in CRX Viewer: <https://robwu.nl/crxviewer/?crx=https%3A%2F%2Fchromewebstore.google.com%2Fdetail%2Fnbmjgikigpojiflkoicjfkkdcpenhbmk>

## Users over time

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

| Checked | Users | Rating | Ratings |
| --- | ---: | ---: | ---: |
| 2026-09-27 | 1,000 | 3.25 | 4 |

## 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.

**Every website:** it can read and change your data on all the sites you visit.

### Sites where it runs scripts

- `<all_urls>`: Every website

### Browser features

- `activeTab`: The tab you're on, only after you click the extension
- `contextMenus`: Add items to the right-click menu
- `notifications`: Show notifications
- `storage`: Save settings and data in your browser

## More from this developer

Other extensions from the same publisher account.

| Extension | Users | Rating | Ratings | Category |
| --- | ---: | ---: | ---: | --- |
| [Illust Downloader for pixiv.net](https://extensiontracker.com/extension/fnbkeopcpjainobjebddfcnnknmfipid) | 90,000 | 4.04 | 553 | Art & Design |
| [Translate Anywhere](https://extensiontracker.com/extension/hhimhiimpaicidimabokfbdokhpcnmoh) | 50,000 | 3.77 | 56 | Tools |
| [2chRevival](https://extensiontracker.com/extension/jincbkepokdimkkecpcmjjfhjepllkdj) | 20,000 | 4.58 | 78 | Social Networking |
| [Illust Downloader EX for pixiv.net](https://extensiontracker.com/extension/mpeoelpkgbnhobojpafdpopjkmeodpaj) | 20,000 | 4.13 | 120 | Accessibility |
| [WebSiteChecker](https://extensiontracker.com/extension/odolknbekbmmjpkcphdoflncdefnecfc) | 1,000 | 3.50 | 4 | Accessibility |
| [X (Twitter) Media Extraction & Download](https://extensiontracker.com/extension/bnifffplhpkcbeopejaoignfjliplpdd) | 265 | – | – | Tools |
| [View link source](https://extensiontracker.com/extension/kmpjbdkdnehfenbgchigbbmnahcfeidc) | 193 | 4.00 | 8 | Developer Tools |
| [どこでもチャット！](https://extensiontracker.com/extension/goehljejjbdhcclcpjpgfkbjidognbnk) | 58 | 4.94 | 17 | Entertainment |

All 9 extensions by [OrcaSoft](https://extensiontracker.com/developer/ua17f1e1b00a327b3eab58bbc988f5f76).

## 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 06:00 UTC; next check around 2026-09-30.

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

## Cite this page

Extension Tracker. “HTML Closing Tag Checker” (nbmjgikigpojiflkoicjfkkdcpenhbmk). Chrome Web Store data, last checked 2026-09-27. https://extensiontracker.com/extension/nbmjgikigpojiflkoicjfkkdcpenhbmk. Accessed 2026-09-28.

```bibtex
@misc{extensiontracker_nbmjgikigpojiflkoicjfkkdcpenhbmk,
  title   = {HTML Closing Tag Checker (nbmjgikigpojiflkoicjfkkdcpenhbmk)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-09-27},
  url     = {https://extensiontracker.com/extension/nbmjgikigpojiflkoicjfkkdcpenhbmk},
  urldate = {2026-09-28}
}
```

---

From Extension Tracker, a public record of the Chrome Web Store: <https://extensiontracker.com/extension/nbmjgikigpojiflkoicjfkkdcpenhbmk>. 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`.