---
title: "Study Mode: YouTube – Chrome extension stats, history and permissions"
description: "1,000 users, rated 4.71 by 17 people. Version 2.0.1, updated 2025-08-11. Requests 3 permissions."
url: "https://extensiontracker.com/extension/hhjnoabnlicjpahfibejifhankpfahnd"
---

# Study Mode: YouTube

Live in the Chrome Web Store.

- Users: 1,000
- Rating: 4.71 from 17 ratings
- Last checked: 2026-09-27 02:25 UTC
- Users gained in 7 days: – (needs a week of history)
- Users gained in 30 days: – (needs a month of history)
- Rank by users: #17,733 of 264,702 live extensions
- Rank in Workflow & Planning: #5,162 of 44,474

## The listing

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

Summary from the listing:

> Remove distractions from your YouTube sessions. Custom word-filters to remove videos and channels, remove shorts, and more!

- Extension ID: `hhjnoabnlicjpahfibejifhankpfahnd`
- Developer: [emdhdev](https://extensiontracker.com/developer/u71b61bf0e95b104e0c193d81d5133660)
- Category: [Productivity › Workflow & Planning](https://extensiontracker.com/category/productivity/workflow)
- First published: 2020-05-29
- Last updated: 2025-08-11
- Version: `2.0.1`
- Size: 31.1 KiB
- Minimum Chrome: 88
- Languages (1): English (United States)
- Support page: `https://emdh-dev.github.io/contact.html`
- Chrome Web Store: <https://chromewebstore.google.com/detail/study-mode-youtube/hhjnoabnlicjpahfibejifhankpfahnd>
- View the code or download the CRX, in CRX Peek: <https://crxpeek.com/?id=hhjnoabnlicjpahfibejifhankpfahnd>

## Users over time

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

| Checked | Users | Rating | Ratings |
| --- | ---: | ---: | ---: |
| 2026-09-27 | 1,000 | 4.71 | 17 |

## 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

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

### Browser features

- `activeTab`: The tab you're on, only after you click the extension
- `scripting`: Run scripts on sites it can reach
- `storage`: Save settings and data in your browser

## More from this developer

Other extensions from the same publisher account.

| Extension | Users | Rating | Ratings | Category |
| --- | ---: | ---: | ---: | --- |
| [YouTube Loop Repeater: Music Practice Tool](https://extensiontracker.com/extension/mmiaiilfidkefkhbjnbhpkjlflehkncl) | 137 | 5.00 | 2 | Tools |

All 2 extensions by [emdhdev](https://extensiontracker.com/developer/u71b61bf0e95b104e0c193d81d5133660).

## 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 02:25 UTC; next check around 2026-10-02.

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

## Cite this page

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

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

---

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