---
title: "YouTube Fullscreen Theater Mode – Chrome extension stats, history and permissions"
description: "751 users, rated 4.60 by 5 people. Version 1.0.0, updated 2024-10-30. Requests 0 permissions."
url: "https://extensiontracker.com/extension/chdopbgfclideohjmcddafojdmfncjdp"
---

# YouTube Fullscreen Theater Mode

Live in the Chrome Web Store.

- Users: 751
- Rating: 4.60 from 5 ratings
- Last checked: 2026-10-20 06:50 UTC
- Users gained in 7 days: No change
- Users gained in 30 days: +171 (+29.5%)
- Rank by users: #28,352 of 292,125 live extensions
- Rank in Functionality & UI: #1,090 of 11,702

## The listing

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

Summary from the listing:

> Makes YouTube theater mode fullscreen, using the entire height of the browser viewport for the video player.

- Extension ID: `chdopbgfclideohjmcddafojdmfncjdp`
- Developer: [Gabriel Erbetta](https://extensiontracker.com/developer/u059c2d74eff8d611243ee609d8ae5d12)
- Enhanced Safe Browsing: Trusted ([what this means](https://extensiontracker.com/enhanced-safe-browsing))
- Category: [Make Chrome Yours › Functionality & UI](https://extensiontracker.com/category/make_chrome_yours/functionality)
- First published: 2024-10-21
- Last updated: 2024-10-30
- Version: `1.0.0`
- Size: 19.88 KiB
- Minimum Chrome: 88
- Languages (1): English
- Chrome Web Store: <https://chromewebstore.google.com/detail/youtube-fullscreen-theate/chdopbgfclideohjmcddafojdmfncjdp>
- View its code or download CRX: <https://crxpeek.com/extension/chdopbgfclideohjmcddafojdmfncjdp>
- Search Google for the ID: <https://www.google.com/search?q=%22chdopbgfclideohjmcddafojdmfncjdp%22&tbs=li:1>

## Users over time

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

| Checked | Users | Rating | Ratings |
| --- | ---: | ---: | ---: |
| 2026-10-20 | 751 | 4.60 | 5 |
| 2026-09-26 | 580 | 4.75 | 4 |

## What changed

Every change found on a check, newest first.

No changes found since tracking began on 2026-09-26.

## Developer history

Moves to another publisher account and new contact emails, newest first.

No move to another account and no new contact email since tracking began on 2026-09-26.

We know contact emails only by a keyed hash, so they're never shown. Recent changes: [Account and contact changes](https://extensiontracker.com/owners/).

## What it can access

From the extension's manifest, in plain language.

### Sites where it runs scripts

- `https://*.youtube.com/*`: youtube.com and its subdomains

## 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 2026-10-20 06:50 UTC; next check around 2026-11-17.

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

## Cite this page

Extension Tracker. “YouTube Fullscreen Theater Mode” (chdopbgfclideohjmcddafojdmfncjdp). Chrome Web Store data, last checked 2026-10-20. https://extensiontracker.com/extension/chdopbgfclideohjmcddafojdmfncjdp. Accessed 2026-11-13.

```bibtex
@misc{extensiontracker_chdopbgfclideohjmcddafojdmfncjdp,
  title   = {YouTube Fullscreen Theater Mode (chdopbgfclideohjmcddafojdmfncjdp)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-10-20},
  url     = {https://extensiontracker.com/extension/chdopbgfclideohjmcddafojdmfncjdp},
  urldate = {2026-11-13}
}
```

---

From Extension Tracker, a public record of the Chrome Web Store: <https://extensiontracker.com/extension/chdopbgfclideohjmcddafojdmfncjdp>. 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. Every page except search comes as Markdown too: add `format=md` to the address, as in `https://extensiontracker.com/extension/{id}?format=md`.