---
title: "YouTube Windowed FullScreen – Chrome extension stats, history and permissions"
description: "60,000 users, rated 4.23 by 417 people. Version 5.00, updated 2025-10-16. Requests 1 permission."
url: "https://extensiontracker.com/extension/gkkmiofalnjagdcjheckamobghglpdpm"
---

# YouTube Windowed FullScreen

Live in the Chrome Web Store.

- Users: 60,000
- Rating: 4.23 from 417 ratings
- Last checked: 2026-09-27 01:52 UTC
- Users gained in 7 days: – (needs a week of history)
- Users gained in 30 days: – (needs a month of history)
- Rank by users: #2,240 of 264,703 live extensions
- Rank in Workflow & Planning: #762 of 44,474

## The listing

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

Summary from the listing:

> Watch videos on YouTube fullscreen within your browsers screen.

- Extension ID: `gkkmiofalnjagdcjheckamobghglpdpm`
- Developer: [YT Windowed Fullscreen](https://extensiontracker.com/developer/u1c09b4ceb417a326327612df421a9c7f)
- Category: [Productivity › Workflow & Planning](https://extensiontracker.com/category/productivity/workflow)
- First published: 2016-07-30
- Last updated: 2025-10-16
- Version: `5.00`
- Size: 298 KiB
- Minimum Chrome: 88
- Languages (1): English
- Privacy policy: `https://docs.google.com/document/d/1czbBOblR46ucyfxpCUhdNnxh_TUH69R2Up-KbA6-ffw/pub`
- Chrome Web Store: <https://chromewebstore.google.com/detail/youtube-windowed-fullscre/gkkmiofalnjagdcjheckamobghglpdpm>
- View the code or download the CRX, in CRX Viewer: <https://robwu.nl/crxviewer/?crx=https%3A%2F%2Fchromewebstore.google.com%2Fdetail%2Fgkkmiofalnjagdcjheckamobghglpdpm>

## Users over time

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

| Checked | Users | Rating | Ratings |
| --- | ---: | ---: | ---: |
| 2026-09-27 | 60,000 | 4.23 | 417 |

## 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

- `*://www.youtube.com/*`: www.youtube.com

### Browser features

- `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 week, because it has 1,000 or more users, and again whenever a new version appears. Last checked 2026-09-27 01:52 UTC; next check around 2026-09-28.

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

## Cite this page

Extension Tracker. “YouTube Windowed FullScreen” (gkkmiofalnjagdcjheckamobghglpdpm). Chrome Web Store data, last checked 2026-09-27. https://extensiontracker.com/extension/gkkmiofalnjagdcjheckamobghglpdpm. Accessed 2026-09-28.

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

---

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