---
title: "WebUML – Chrome extension stats, history and permissions"
description: "1 users, no ratings yet. Version 1.0.3, updated 2026-11-09. Requests 0 permissions."
url: "https://extensiontracker.com/extension/mdfangbmaioiahklnjoocofnbppbjfkf"
---

# WebUML

Live in the Chrome Web Store.

- Users: 1
- Rating: no ratings yet
- Last checked: 2026-11-10 00:07 UTC
- Users gained in 7 days: – (needs a week of history)
- Users gained in 30 days: – (needs a month of history)
- Rank by users: #253,867 of 292,131 live extensions
- Rank in Workflow & Planning: #43,212 of 49,294

## The listing

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

Summary from the listing:

> ER図・クラス図・ガントチャートなどを描くエディタ。データはこの端末内に保存されます。

- Extension ID: `mdfangbmaioiahklnjoocofnbppbjfkf`
- Developer: [ECQ](https://extensiontracker.com/developer/u6919a7ad15336650ce2d59a94ec67b2e)
- Enhanced Safe Browsing: Not trusted ([what this means](https://extensiontracker.com/enhanced-safe-browsing))
- Category: [Productivity › Workflow & Planning](https://extensiontracker.com/category/productivity/workflow)
- First published: 2026-11-09
- Last updated: 2026-11-09
- Version: `1.0.3`
- Size: 1.08 MiB
- Minimum Chrome: 88
- Languages (1): 日本語
- Support page: `https://www.ecq.jp/webuml`
- Chrome Web Store: <https://chromewebstore.google.com/detail/webuml/mdfangbmaioiahklnjoocofnbppbjfkf>
- View its code or download CRX: <https://crxpeek.com/extension/mdfangbmaioiahklnjoocofnbppbjfkf>
- Search Google for the ID: <https://www.google.com/search?q=%22mdfangbmaioiahklnjoocofnbppbjfkf%22&tbs=li:1>

## Users over time

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

| Checked | Users | Rating | Ratings |
| --- | ---: | ---: | ---: |
| 2026-11-10 | 1 | – | – |

## What changed

Every change found on a check, newest first.

No changes found since tracking began on 2026-11-10.

## 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 2026-11-10.

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.

It asks for no permissions.

## 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 2026-11-10 00:07 UTC; next check around 2026-11-16.

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

## Cite this page

Extension Tracker. “WebUML” (mdfangbmaioiahklnjoocofnbppbjfkf). Chrome Web Store data, last checked 2026-11-10. https://extensiontracker.com/extension/mdfangbmaioiahklnjoocofnbppbjfkf. Accessed 2026-11-13.

```bibtex
@misc{extensiontracker_mdfangbmaioiahklnjoocofnbppbjfkf,
  title   = {WebUML (mdfangbmaioiahklnjoocofnbppbjfkf)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-11-10},
  url     = {https://extensiontracker.com/extension/mdfangbmaioiahklnjoocofnbppbjfkf},
  urldate = {2026-11-13}
}
```

---

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