---
title: "Reading Level Checker – Chrome extension stats, history and permissions"
description: "6,000 users, rated 3.57 by 7 people. Version 2.6, updated 2025-12-15. Requests 2 permissions."
url: "https://extensiontracker.com/extension/hcdkhalhbmfkmipcojafboldpodlmfgb"
---

# Reading Level Checker

Live in the Chrome Web Store.

- Users: 6,000
- Rating: 3.57 from 7 ratings
- Last checked: 2026-09-27 02:12 UTC
- Users gained in 7 days: – (needs a week of history)
- Users gained in 30 days: – (needs a month of history)
- Rank by users: #9,477 of 264,702 live extensions
- Rank in Education: #289 of 11,063

## The listing

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

Summary from the listing:

> See the reading level of any webpage with one click.

- Extension ID: `hcdkhalhbmfkmipcojafboldpodlmfgb`
- Developer: [crafty184](https://extensiontracker.com/developer/ub9035d7e7cb7d95101b6b308902f0a34)
- Category: [Productivity › Education](https://extensiontracker.com/category/productivity/education)
- First published: 2015-02-16
- Last updated: 2025-12-15
- Version: `2.6`
- Size: 21.63 KiB
- Minimum Chrome: 88
- Languages (1): English
- Support page: `https://form.jotform.com/253482801858061`
- Chrome Web Store: <https://chromewebstore.google.com/detail/reading-level-checker/hcdkhalhbmfkmipcojafboldpodlmfgb>
- View the code or download the CRX, in CRX Peek: <https://crxpeek.com/?id=hcdkhalhbmfkmipcojafboldpodlmfgb>

## Users over time

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

| Checked | Users | Rating | Ratings |
| --- | ---: | ---: | ---: |
| 2026-09-27 | 6,000 | 3.57 | 7 |

## 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

- `<all_urls>`: Every website

### Sites where it runs scripts

- `<all_urls>`: Every website

### Browser features

- `activeTab`: The tab you're on, only after you click the extension

## More from this developer

Other extensions from the same publisher account.

| Extension | Users | Rating | Ratings | Category |
| --- | ---: | ---: | ---: | --- |
| [Copyright Free Images Filter](https://extensiontracker.com/extension/nlbijchkgbnfcjliaplbphhehaalgild) | 30,000 | 4.00 | 4 | Tools |
| [Text Spotlight](https://extensiontracker.com/extension/kjgfnioibniobfkjcjjfikmhecajpcio) | 20,000 | 3.58 | 24 | Tools |
| [Presenter Cursor](https://extensiontracker.com/extension/gjponoohlplibjdnjnbnhbjljffpkkok) | 10,000 | 3.70 | 10 | Tools |
| [Webpage Magnifier](https://extensiontracker.com/extension/ibhegccigccbgpjjmkofhobdnhpinacb) | 4,000 | 2.10 | 10 | Accessibility |
| [Screen Shade](https://extensiontracker.com/extension/eagdjobngjgfcnkejhopjggjbpjfljao) | 2,000 | 3.50 | 6 | Tools |
| [Adobe Express Unofficial Quick Launcher](https://extensiontracker.com/extension/mpcomknchbccgmmbobbcbjlhbeipccaa) | 1,000 | 5.00 | 1 | Education |
| [Auto CC and BCC for Gmail](https://extensiontracker.com/extension/eajhgjocddankdfbidhamccphmhcohel) | 430 | 5.00 | 1 | Tools |
| [Google Calendar Scroll Lock](https://extensiontracker.com/extension/fdillemeiombnpbdhlljiankbcgelamh) | 209 | 4.33 | 3 | Tools |
| [Result Date Viewer](https://extensiontracker.com/extension/odpoabfhnmifpjmgicbadiebdbgockbm) | 96 | – | – | Tools |
| [Calendar Call Alert](https://extensiontracker.com/extension/kdmnheecjdnhcegggmbpbikmfaijkfmg) | 13 | – | – | Tools |

All 13 extensions by [crafty184](https://extensiontracker.com/developer/ub9035d7e7cb7d95101b6b308902f0a34).

## 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 02:12 UTC; next check around 2026-09-29.

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

## Cite this page

Extension Tracker. “Reading Level Checker” (hcdkhalhbmfkmipcojafboldpodlmfgb). Chrome Web Store data, last checked 2026-09-27. https://extensiontracker.com/extension/hcdkhalhbmfkmipcojafboldpodlmfgb. Accessed 2026-09-28.

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

---

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