---
title: "Holodex Plus – Chrome extension stats, history and permissions"
description: "20,000 users, rated 4.06 by 17 people. Version 1.0.0, updated 2025-03-05. Requests 7 permissions."
url: "https://extensiontracker.com/extension/mjcecbpccklceljomllkhilglcdcncbh"
---

# Holodex Plus

Live in the Chrome Web Store.

- Users: 20,000
- Rating: 4.06 from 17 ratings
- Last checked: 2026-11-10 07:38 UTC
- Users gained in 7 days: No change
- Users gained in 30 days: No change (+0.0%)
- Rank by users: #3,895 of 292,131 live extensions
- Rank in Entertainment: #61 of 7,171

## The listing

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

Summary from the listing:

> Holodex companion extension

- Extension ID: `mjcecbpccklceljomllkhilglcdcncbh`
- Developer: [holodexdev](https://extensiontracker.com/developer/u9112d8745fbdb819cd14920a40694037)
- Enhanced Safe Browsing: Trusted ([what this means](https://extensiontracker.com/enhanced-safe-browsing))
- Category: [Lifestyle › Entertainment](https://extensiontracker.com/category/lifestyle/entertainment)
- First published: 2021-09-30
- Last updated: 2025-03-05
- Version: `1.0.0`
- Size: 43.49 KiB
- Minimum Chrome: 88
- Languages (1): English
- Website: `holodex.net`
- Support page: `https://discord.gg/A24AbzgvRJ`
- Chrome Web Store: <https://chromewebstore.google.com/detail/holodex-plus/mjcecbpccklceljomllkhilglcdcncbh>
- View its code or download CRX: <https://crxpeek.com/extension/mjcecbpccklceljomllkhilglcdcncbh>
- Search Google for the ID: <https://www.google.com/search?q=%22mjcecbpccklceljomllkhilglcdcncbh%22&tbs=li:1>

## Users over time

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

| Checked | Users | Rating | Ratings |
| --- | ---: | ---: | ---: |
| 2026-11-10 | 20,000 | 4.06 | 17 |
| 2026-11-03 | 20,000 | 4.06 | 17 |
| 2026-10-26 | 20,000 | 4.06 | 17 |
| 2026-10-19 | 20,000 | 4.06 | 17 |
| 2026-10-12 | 20,000 | 4.06 | 17 |
| 2026-10-05 | 20,000 | 4.06 | 17 |
| 2026-09-28 | 20,000 | 4.06 | 17 |
| 2026-09-27 | 20,000 | 4.06 | 17 |

## What changed

Every change found on a check, newest first.

No changes found since tracking began on 2026-09-27.

## 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 2026-09-27.

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

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

### Sites where it runs scripts

- `*://*.holodex.net/*`: holodex.net and its subdomains
- `*://*.youtube.com/live_chat*`: youtube.com and its subdomains

### Browser features

- `contextMenus`: Add items to the right-click menu
- `declarativeNetRequestWithHostAccess`: Block or change network requests on the sites it can reach
- `storage`: Save settings and data in your browser
- `tabs`: Read the addresses and titles of your tabs
- `webRequest`: Watch network requests on the sites it can reach

## 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 2026-11-10 07:38 UTC; next check around 2026-11-17.

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

## Cite this page

Extension Tracker. “Holodex Plus” (mjcecbpccklceljomllkhilglcdcncbh). Chrome Web Store data, last checked 2026-11-10. https://extensiontracker.com/extension/mjcecbpccklceljomllkhilglcdcncbh. Accessed 2026-11-13.

```bibtex
@misc{extensiontracker_mjcecbpccklceljomllkhilglcdcncbh,
  title   = {Holodex Plus (mjcecbpccklceljomllkhilglcdcncbh)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-11-10},
  url     = {https://extensiontracker.com/extension/mjcecbpccklceljomllkhilglcdcncbh},
  urldate = {2026-11-13}
}
```

---

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