---
title: "Canvas Blackout – Chrome extension stats, history and permissions"
description: "23 users, rated 5.00 by 1 person. Version 1.5.0, updated 2025-09-06. Requests 0 permissions."
url: "https://extensiontracker.com/extension/hadbfbnlokpjednllkfabkebgajncjaa"
---

# Canvas Blackout

Live in the Chrome Web Store.

- Users: 23
- Rating: 5.00 from 1 rating
- Last checked: 2026-09-27 02:08 UTC
- Users gained in 7 days: – (needs a week of history)
- Users gained in 30 days: – (needs a month of history)
- Rank by users: #112,252 of 264,703 live extensions
- Rank in Art & Design: #2,453 of 3,551

## The listing

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

Summary from the listing:

> Blacks out Canvas' website

- Extension ID: `hadbfbnlokpjednllkfabkebgajncjaa`
- Developer: [eyesick2k7](https://extensiontracker.com/developer/u2f269af447ba6fc094e0eba7bddf432a)
- Category: [Lifestyle › Art & Design](https://extensiontracker.com/category/lifestyle/art)
- First published: 2024-11-19
- Last updated: 2025-09-06
- Version: `1.5.0`
- Size: 17.61 KiB
- Minimum Chrome: 88
- Languages (1): English
- Chrome Web Store: <https://chromewebstore.google.com/detail/canvas-blackout/hadbfbnlokpjednllkfabkebgajncjaa>
- View the code or download the CRX, in CRX Viewer: <https://robwu.nl/crxviewer/?crx=https%3A%2F%2Fchromewebstore.google.com%2Fdetail%2Fhadbfbnlokpjednllkfabkebgajncjaa>

## Users over time

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

| Checked | Users | Rating | Ratings |
| --- | ---: | ---: | ---: |
| 2026-09-27 | 23 | 5.00 | 1 |

## 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 where it runs scripts

- `https://*.instructure.com/*`: instructure.com and its subdomains
- `https://roseburg.instructure.com/*`: roseburg.instructure.com

## More from this developer

Other extensions from the same publisher account.

| Extension | Users | Rating | Ratings | Category |
| --- | ---: | ---: | ---: | --- |
| [CodeHS Blackout](https://extensiontracker.com/extension/nlhjmhmhaigjfeaangmfhibdggjfjndb) | 207 | 5.00 | 2 | Art & Design |

All 2 extensions by [eyesick2k7](https://extensiontracker.com/developer/u2f269af447ba6fc094e0eba7bddf432a).

## 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 02:08 UTC; next check around 2026-10-13.

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

## Cite this page

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

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

---

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