---
title: "School Broadcaster Screensaver – Chrome extension stats, history and permissions"
description: "668 users, no ratings yet. Version 2.6.6, updated 2025-07-06. Requests 7 permissions."
url: "https://extensiontracker.com/extension/keecjmofhkbhiehkcmbpjalkbnpbnlcb"
---

# School Broadcaster Screensaver

Live in the Chrome Web Store.

- Users: 668
- Rating: no ratings yet
- Last checked: 2026-09-27 04:11 UTC
- Users gained in 7 days: – (needs a week of history)
- Users gained in 30 days: – (needs a month of history)
- Rank by users: #29,588 of 264,704 live extensions
- Rank in Education: #869 of 11,062

## The listing

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

Summary from the listing:

> Shows messages or images from a Google Sheet after the browser has been idle.

- Extension ID: `keecjmofhkbhiehkcmbpjalkbnpbnlcb`
- Developer: [tsextro](https://extensiontracker.com/developer/u35c95b0b328a48a5884e1a6f1ac692bf)
- Trader status: Declared a trader under EU law
- Category: [Productivity › Education](https://extensiontracker.com/category/productivity/education)
- First published: 2025-05-30
- Last updated: 2025-07-06
- Version: `2.6.6`
- Size: 42.7 KiB
- Minimum Chrome: 88
- Languages (1): English
- Support page: `https://docs.google.com/document/d/1dc5hVZ0fdZ3OdbQz96-Esjvas_BIUqEyK_r0jqvOhIs/edit?usp=sharing`
- Chrome Web Store: <https://chromewebstore.google.com/detail/school-broadcaster-screen/keecjmofhkbhiehkcmbpjalkbnpbnlcb>
- View the code or download the CRX, in CRX Viewer: <https://robwu.nl/crxviewer/?crx=https%3A%2F%2Fchromewebstore.google.com%2Fdetail%2Fkeecjmofhkbhiehkcmbpjalkbnpbnlcb>

## Users over time

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

| Checked | Users | Rating | Ratings |
| --- | ---: | ---: | ---: |
| 2026-09-27 | 668 | – | – |

## 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

- `https://docs.google.com/*`: docs.google.com
- `https://drive.google.com/*`: drive.google.com

### Sites where it runs scripts

- `<all_urls>`: Every website

### Browser features

- `alarms`: Run tasks on a schedule
- `identity`: Sign you in with your Google account
- `scripting`: Run scripts on sites it can reach
- `storage`: Save settings and data in your browser
- `tabs`: Read the addresses and titles of your tabs

## More from this developer

Other extensions from the same publisher account.

| Extension | Users | Rating | Ratings | Category |
| --- | ---: | ---: | ---: | --- |
| [AI Tools Quick Access](https://extensiontracker.com/extension/mfdeoecnbeipallnhkolgodfjemdjkmb) | 197 | 5.00 | 1 | Education |
| [Security Assistant](https://extensiontracker.com/extension/gpgfdlddmpknmljhoeffodnbjpcgfdap) | 30 | – | – | Education |
| [Calendar Check](https://extensiontracker.com/extension/ckhcalgccaafopelbfbmpelchgjafpbb) | 5 | – | – | Workflow & Planning |
| [FocusLimits](https://extensiontracker.com/extension/pjhdgoelmojaofcejmjoihehnoaglhcg) | 2 | – | – | Education |

All 5 extensions by [tsextro](https://extensiontracker.com/developer/u35c95b0b328a48a5884e1a6f1ac692bf).

## 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 04:11 UTC; next check around 2026-10-21.

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

## Cite this page

Extension Tracker. “School Broadcaster Screensaver” (keecjmofhkbhiehkcmbpjalkbnpbnlcb). Chrome Web Store data, last checked 2026-09-27. https://extensiontracker.com/extension/keecjmofhkbhiehkcmbpjalkbnpbnlcb. Accessed 2026-09-28.

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

---

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