---
title: "42FM – Chrome extension stats, history and permissions"
description: "1,000 users, rated 5.00 by 10 people. Version 0.2.0, updated 2026-03-08. Requests 2 permissions."
url: "https://extensiontracker.com/extension/djkopjknjkhhhlbpaooiffegfhibkdka"
---

# 42FM

Live in the Chrome Web Store.

- Users: 1,000
- Rating: 5.00 from 10 ratings
- Last checked: 2026-09-26 23:55 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 264,703 live extensions
- Rank in Just for Fun: #962 of 9,242

## The listing

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

Summary from the listing:

> 42FM allows you to listen to music on Twitch with synchronization between users that use this extension. Available commands: -…

- Extension ID: `djkopjknjkhhhlbpaooiffegfhibkdka`
- Developer: [loczek](https://extensiontracker.com/developer/u725720b3485c73ce26e0221ced1522c6)
- Trader status: Not declared a trader under EU law
- Category: [Lifestyle › Just for Fun](https://extensiontracker.com/category/lifestyle/fun)
- First published: 2022-02-22
- Last updated: 2026-03-08
- Version: `0.2.0`
- Size: 272 KiB
- Minimum Chrome: 88
- Languages (1): English
- Website: `https://42fm.app/`
- Chrome Web Store: <https://chromewebstore.google.com/detail/42fm/djkopjknjkhhhlbpaooiffegfhibkdka>
- View the code or download the CRX, in CRX Viewer: <https://robwu.nl/crxviewer/?crx=https%3A%2F%2Fchromewebstore.google.com%2Fdetail%2Fdjkopjknjkhhhlbpaooiffegfhibkdka>

## Users over time

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

| Checked | Users | Rating | Ratings |
| --- | ---: | ---: | ---: |
| 2026-09-26 | 1,000 | 5.00 | 10 |

## What changed

Every change found on a check, newest first.

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

## What it can access

From the extension's manifest, in plain language.

### Sites

- `*://*.twitch.tv/*`: twitch.tv and its subdomains

### Sites where it runs scripts

- `*://twitch.tv/*`: twitch.tv
- `*://www.twitch.tv/*`: www.twitch.tv

### Browser features

- `scripting`: Run scripts on 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 2026-09-26 23:55 UTC; next check around 2026-10-03.

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

## Cite this page

Extension Tracker. “42FM” (djkopjknjkhhhlbpaooiffegfhibkdka). Chrome Web Store data, last checked 2026-09-26. https://extensiontracker.com/extension/djkopjknjkhhhlbpaooiffegfhibkdka. Accessed 2026-09-28.

```bibtex
@misc{extensiontracker_djkopjknjkhhhlbpaooiffegfhibkdka,
  title   = {42FM (djkopjknjkhhhlbpaooiffegfhibkdka)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-09-26},
  url     = {https://extensiontracker.com/extension/djkopjknjkhhhlbpaooiffegfhibkdka},
  urldate = {2026-09-28}
}
```

---

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