---
title: "Mouse Dictionary – Chrome extension stats, history and permissions"
description: "90,000 users, rated 4.74 by 117 people. Version 1.7.2, updated 2026-09-20. Requests 4 permissions."
url: "https://extensiontracker.com/extension/dnclbikcihnpjohihfcmmldgkjnebgnj"
---

# Mouse Dictionary

Live in the Chrome Web Store.

- Users: 90,000
- Rating: 4.74 from 117 ratings
- Last checked: 2026-09-27 00:04 UTC
- Users gained in 7 days: – (needs a week of history)
- Users gained in 30 days: – (needs a month of history)
- Rank by users: #1,770 of 264,703 live extensions
- Rank in Workflow & Planning: #609 of 44,474

## The listing

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

Summary from the listing:

> A super fast dictionary for language learners

- Extension ID: `dnclbikcihnpjohihfcmmldgkjnebgnj`
- Developer: [Tetsu](https://extensiontracker.com/developer/uf6fd4efeec1a02ed763ea07ebb771d43)
- Category: [Productivity › Workflow & Planning](https://extensiontracker.com/category/productivity/workflow)
- First published: 2018-09-02
- Last updated: 2026-09-20
- Version: `1.7.2`
- Size: 3.77 MiB
- Minimum Chrome: 88
- Languages (2): English, 日本語
- Website: `https://mouse-dictionary.netlify.app/`
- Support page: `https://github.com/wtetsu/mouse-dictionary/issues`
- Chrome Web Store: <https://chromewebstore.google.com/detail/mouse-dictionary/dnclbikcihnpjohihfcmmldgkjnebgnj>
- View the code or download the CRX, in CRX Viewer: <https://robwu.nl/crxviewer/?crx=https%3A%2F%2Fchromewebstore.google.com%2Fdetail%2Fdnclbikcihnpjohihfcmmldgkjnebgnj>

## Users over time

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

| Checked | Users | Rating | Ratings |
| --- | ---: | ---: | ---: |
| 2026-09-27 | 90,000 | 4.74 | 117 |

## 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.

### Browser features

- `activeTab`: The tab you're on, only after you click the extension
- `scripting`: Run scripts on sites it can reach
- `storage`: Save settings and data in your browser
- `unlimitedStorage`: Store more data than the usual limit

## More from this developer

Other extensions from the same publisher account.

| Extension | Users | Rating | Ratings | Category |
| --- | ---: | ---: | ---: | --- |
| [Mouse Dictionary Kaggle Support](https://extensiontracker.com/extension/bepofoammpdjhfdibmlghoaljkemineg) | 474 | 5.00 | 1 | Workflow & Planning |

All 2 extensions by [Tetsu](https://extensiontracker.com/developer/uf6fd4efeec1a02ed763ea07ebb771d43).

## 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 00:04 UTC; next check around 2026-09-29.

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

## Cite this page

Extension Tracker. “Mouse Dictionary” (dnclbikcihnpjohihfcmmldgkjnebgnj). Chrome Web Store data, last checked 2026-09-27. https://extensiontracker.com/extension/dnclbikcihnpjohihfcmmldgkjnebgnj. Accessed 2026-09-28.

```bibtex
@misc{extensiontracker_dnclbikcihnpjohihfcmmldgkjnebgnj,
  title   = {Mouse Dictionary (dnclbikcihnpjohihfcmmldgkjnebgnj)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-09-27},
  url     = {https://extensiontracker.com/extension/dnclbikcihnpjohihfcmmldgkjnebgnj},
  urldate = {2026-09-28}
}
```

---

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