---
title: "Live CSS Tester – Chrome extension stats, history and permissions"
description: "2,000 users, rated 3.86 by 7 people. Version 2.0.0, updated 2023-01-03. Requests 3 permissions."
url: "https://extensiontracker.com/extension/djdnjlkbgeddaglpomonofdcahkpmjaj"
---

# Live CSS Tester

Live in the Chrome Web Store.

- Users: 2,000
- Rating: 3.86 from 7 ratings
- Last checked: 2026-09-26 23:54 UTC
- Users gained in 7 days: – (needs a week of history)
- Users gained in 30 days: – (needs a month of history)
- Rank by users: #14,553 of 264,703 live extensions
- Rank in Developer Tools: #1,275 of 27,615

## The listing

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

Summary from the listing:

> Easily inject CSS into a webpage for testing

- Extension ID: `djdnjlkbgeddaglpomonofdcahkpmjaj`
- Developer: [Brandon Fowler](https://extensiontracker.com/developer/u1823113960941e8d583179df78f62a98)
- Category: [Productivity › Developer Tools](https://extensiontracker.com/category/productivity/developer)
- First published: 2019-05-15
- Last updated: 2023-01-03
- Version: `2.0.0`
- Size: 147 KiB
- Minimum Chrome: 88
- Languages (1): English
- Chrome Web Store: <https://chromewebstore.google.com/detail/live-css-tester/djdnjlkbgeddaglpomonofdcahkpmjaj>
- View the code or download the CRX, in CRX Viewer: <https://robwu.nl/crxviewer/?crx=https%3A%2F%2Fchromewebstore.google.com%2Fdetail%2Fdjdnjlkbgeddaglpomonofdcahkpmjaj>

## Users over time

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

| Checked | Users | Rating | Ratings |
| --- | ---: | ---: | ---: |
| 2026-09-26 | 2,000 | 3.86 | 7 |

## 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.

**Every website:** it can read and change your data on all the sites you visit.

### Sites

- `<all_urls>`: Every website

### Browser features

- `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 |
| --- | ---: | ---: | ---: | --- |
| [Gmail HTML Editor](https://extensiontracker.com/extension/ikolpoonlhkhbkkmhcpnmhpdgagjjhmp) | 10,000 | 3.12 | 16 | Workflow & Planning |
| [Shortcut for Chrome Web Store](https://extensiontracker.com/extension/lecflpkpigjpeejmnimgcciofchjhnhm) | 10,000 | 4.12 | 8 | Functionality & UI |
| [Notepad Online](https://extensiontracker.com/extension/hjabknmbgbnopipagjbmocghjodofkif) | 8,000 | 3.86 | 7 | Workflow & Planning |
| [Page Text Editor](https://extensiontracker.com/extension/icjgbammanlfboaodlfeomfpdgndalpa) | 4,000 | 4.60 | 10 | Just for Fun |
| [Save Tab](https://extensiontracker.com/extension/papppikalmnblicipnlfailnhbhbjkkb) | 368 | 4.83 | 6 | Tools |
| [Time Icon](https://extensiontracker.com/extension/piobjonapfjjnenpemdbklflkcbdnlcg) | 326 | 4.00 | 2 | Workflow & Planning |
| [HTML Attributes Editor](https://extensiontracker.com/extension/pmofpgjlnlgnpjiemabpblojclnkljjc) | 186 | – | – | Developer Tools |
| [Selection Length](https://extensiontracker.com/extension/kbhfnldhoioilanfdmaibhgepiodlghk) | 50 | 5.00 | 1 | Workflow & Planning |
| [Thumbnail Viewer for YouTube™](https://extensiontracker.com/extension/pgedgfpjmnedjmofhbfcbiilaibloifl) | 8 | – | – | Entertainment |
| [View Page Metadata](https://extensiontracker.com/extension/jjcabmfmajjkhddcicckkplncefecplb) | 7 | – | – | Tools |

All 12 extensions by [Brandon Fowler](https://extensiontracker.com/developer/u1823113960941e8d583179df78f62a98).

## 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 23:54 UTC; next check around 2026-10-01.

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

## Cite this page

Extension Tracker. “Live CSS Tester” (djdnjlkbgeddaglpomonofdcahkpmjaj). Chrome Web Store data, last checked 2026-09-26. https://extensiontracker.com/extension/djdnjlkbgeddaglpomonofdcahkpmjaj. Accessed 2026-09-28.

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

---

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