---
title: "iKnow! ポップアップ辞書 – Chrome extension stats, history and permissions"
description: "30,000 users, rated 4.44 by 52 people. Version 1.3.4, updated 2025-10-28. Requests 3 permissions."
url: "https://extensiontracker.com/extension/omfegkgipldobddijcpagdabgifghdgb"
---

# iKnow! ポップアップ辞書

Live in the Chrome Web Store.

- Users: 30,000
- Rating: 4.44 from 52 ratings
- Last checked: 2026-09-27 07:03 UTC
- Users gained in 7 days: – (needs a week of history)
- Users gained in 30 days: – (needs a month of history)
- Rank by users: #3,261 of 264,704 live extensions
- Rank in Workflow & Planning: #1,102 of 44,473

## The listing

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

Summary from the listing:

> WEBサイトに出てくる英単語の意味をマウスオーバーするだけで簡単に調べられる、iKnow! 公式のポップアップ英和辞書です。

- Extension ID: `omfegkgipldobddijcpagdabgifghdgb`
- Developer: [DMM英会話](https://extensiontracker.com/developer/u37cfd38cd960185ee93a6d8310e389ab)
- Trader status: Declared a trader under EU law
- Category: [Productivity › Workflow & Planning](https://extensiontracker.com/category/productivity/workflow)
- First published: 2014-08-27
- Last updated: 2025-10-28
- Version: `1.3.4`
- Size: 2.34 MiB
- Minimum Chrome: 88
- Languages (1): 日本語
- Website: `iknow.jp`
- Chrome Web Store: <https://chromewebstore.google.com/detail/iknow-%E3%83%9D%E3%83%83%E3%83%97%E3%82%A2%E3%83%83%E3%83%97%E8%BE%9E%E6%9B%B8/omfegkgipldobddijcpagdabgifghdgb>
- View the code or download the CRX, in CRX Viewer: <https://robwu.nl/crxviewer/?crx=https%3A%2F%2Fchromewebstore.google.com%2Fdetail%2Fomfegkgipldobddijcpagdabgifghdgb>

## Users over time

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

| Checked | Users | Rating | Ratings |
| --- | ---: | ---: | ---: |
| 2026-09-27 | 30,000 | 4.44 | 52 |

## 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

- `file://*`: Every website
- `http://*/*`: Every website
- `https://*/*`: Every website

### Browser features

- `offscreen`: Open a hidden page for background work
- `storage`: Save settings and data in your browser
- `tts`: Read text aloud

## 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 07:03 UTC; next check around 2026-10-03.

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

## Cite this page

Extension Tracker. “iKnow! ポップアップ辞書” (omfegkgipldobddijcpagdabgifghdgb). Chrome Web Store data, last checked 2026-09-27. https://extensiontracker.com/extension/omfegkgipldobddijcpagdabgifghdgb. Accessed 2026-09-28.

```bibtex
@misc{extensiontracker_omfegkgipldobddijcpagdabgifghdgb,
  title   = {iKnow! ポップアップ辞書 (omfegkgipldobddijcpagdabgifghdgb)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-09-27},
  url     = {https://extensiontracker.com/extension/omfegkgipldobddijcpagdabgifghdgb},
  urldate = {2026-09-28}
}
```

---

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