---
title: "Classtab.org Dark Mode – Chrome extension stats, history and permissions"
description: "275 users, rated 5.00 by 2 people. Version 1.1.0, updated 2026-03-17. Requests 4 permissions."
url: "https://extensiontracker.com/extension/ekbhhepfdbfghbgpcfokaggmokndljoa"
---

# Classtab.org Dark Mode

Live in the Chrome Web Store.

- Users: 275
- Rating: 5.00 from 2 ratings
- Last checked: 2026-09-27 00:34 UTC
- Users gained in 7 days: – (needs a week of history)
- Users gained in 30 days: – (needs a month of history)
- Rank by users: #43,820 of 264,702 live extensions
- Rank in Accessibility: #2,011 of 7,982

## The listing

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

Summary from the listing:

> Dark mode themes for Classtab.org

- Extension ID: `ekbhhepfdbfghbgpcfokaggmokndljoa`
- Developer: [Sean Free](https://extensiontracker.com/developer/ua15c74929781f191d7758079955054c4)
- Category: [Make Chrome Yours › Accessibility](https://extensiontracker.com/category/make_chrome_yours/accessibility)
- First published: 2019-12-10
- Last updated: 2026-03-17
- Version: `1.1.0`
- Size: 384 KiB
- Minimum Chrome: 88
- Languages (1): English
- Support page: `https://github.com/SeanFree/chrome-classtab-dark-mode/issues`
- Chrome Web Store: <https://chromewebstore.google.com/detail/classtaborg-dark-mode/ekbhhepfdbfghbgpcfokaggmokndljoa>
- View the code or download the CRX, in CRX Peek: <https://crxpeek.com/?id=ekbhhepfdbfghbgpcfokaggmokndljoa>

## Users over time

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

| Checked | Users | Rating | Ratings |
| --- | ---: | ---: | ---: |
| 2026-09-27 | 275 | 5.00 | 2 |

## 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.

### Sites

- `https://www.classtab.org/*`: www.classtab.org

### Sites where it runs scripts

- `https://www.classtab.org/*`: www.classtab.org

### Browser features

- `activeTab`: The tab you're on, only after you click the extension
- `declarativeContent`: Act on what a page contains, without reading it
- `storage`: Save settings and data in your browser

## About this data

Collected from the extension's public Chrome Web Store listing. It's checked every month, and again whenever a new version appears. Last checked 2026-09-27 00:34 UTC; next check around 2026-10-17.

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

## Cite this page

Extension Tracker. “Classtab.org Dark Mode” (ekbhhepfdbfghbgpcfokaggmokndljoa). Chrome Web Store data, last checked 2026-09-27. https://extensiontracker.com/extension/ekbhhepfdbfghbgpcfokaggmokndljoa. Accessed 2026-09-28.

```bibtex
@misc{extensiontracker_ekbhhepfdbfghbgpcfokaggmokndljoa,
  title   = {Classtab.org Dark Mode (ekbhhepfdbfghbgpcfokaggmokndljoa)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-09-27},
  url     = {https://extensiontracker.com/extension/ekbhhepfdbfghbgpcfokaggmokndljoa},
  urldate = {2026-09-28}
}
```

---

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