---
title: "Youtube Study Mode – Chrome extension stats, history and permissions"
description: "901 users, rated 4.70 by 37 people. Version 3.1.2, updated 2025-03-22. Requests 3 permissions."
url: "https://extensiontracker.com/extension/phkgjapblkjghdpbnbkjphgjploajonl"
---

# Youtube Study Mode

Live in the Chrome Web Store.

- Users: 901
- Rating: 4.70 from 37 ratings
- Last checked: 2026-09-27 07:30 UTC
- Users gained in 7 days: – (needs a week of history)
- Users gained in 30 days: – (needs a month of history)
- Rank by users: #25,812 of 264,703 live extensions
- Rank in Workflow & Planning: #6,952 of 44,474

## The listing

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

Summary from the listing:

> No distractions on Youtube when studying. Click the icon of the extension to enter or exit study mode.

- Extension ID: `phkgjapblkjghdpbnbkjphgjploajonl`
- Developer: [zkjiang12](https://extensiontracker.com/developer/ueecb5adba4e6f1a455177510982868a4)
- Category: [Productivity › Workflow & Planning](https://extensiontracker.com/category/productivity/workflow)
- First published: 2023-07-05
- Last updated: 2025-03-22
- Version: `3.1.2`
- Size: 174 KiB
- Minimum Chrome: 88
- Languages (1): English
- Chrome Web Store: <https://chromewebstore.google.com/detail/youtube-study-mode/phkgjapblkjghdpbnbkjphgjploajonl>
- View the code or download the CRX, in CRX Viewer: <https://robwu.nl/crxviewer/?crx=https%3A%2F%2Fchromewebstore.google.com%2Fdetail%2Fphkgjapblkjghdpbnbkjphgjploajonl>

## Users over time

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

| Checked | Users | Rating | Ratings |
| --- | ---: | ---: | ---: |
| 2026-09-27 | 901 | 4.70 | 37 |

## 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://smile.amazon.com/*`: smile.amazon.com
- `https://www.amazon.com/*`: www.amazon.com

### Sites where it runs scripts

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

### Browser features

- `declarativeNetRequest`: Block or change network requests, using rules

## More from this developer

Other extensions from the same publisher account.

| Extension | Users | Rating | Ratings | Category |
| --- | ---: | ---: | ---: | --- |
| [Sustainable Shopping by TORUS](https://extensiontracker.com/extension/kdflekhhpmjhiadbpojoidbpnflnghdn) | 7 | – | – | Shopping |
| [IncogniChat: Incognito for AI](https://extensiontracker.com/extension/fgfcggoebegjkehollkakkibpianepfp) | 5 | – | – | Privacy & Security |
| [Carbon Fresh](https://extensiontracker.com/extension/iocpggcjkdljajhbpfgaabadmhomdlfe) | 5 | – | – | Shopping |

All 4 extensions by [zkjiang12](https://extensiontracker.com/developer/ueecb5adba4e6f1a455177510982868a4).

## 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 07:30 UTC; next check around 2026-10-12.

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

## Cite this page

Extension Tracker. “Youtube Study Mode” (phkgjapblkjghdpbnbkjphgjploajonl). Chrome Web Store data, last checked 2026-09-27. https://extensiontracker.com/extension/phkgjapblkjghdpbnbkjphgjploajonl. Accessed 2026-09-28.

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

---

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