# Super CSS Inject

> Keep multiple stylesheets ready to inject and change on the fly!

Canonical page: [https://chrome-stats.com/d/super-css-inject](https://chrome-stats.com/d/super-css-inject)

## Overview

- **ID:** `super-css-inject`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Nelson Rodrigues
- **Category:** web-development,other
- **Daily users:** 16
- **Weekly downloads:** 2
- **Rating:** 4.50 / 5 (2 ratings)
- **Version:** 1.2.0
- **Last updated:** 2020-05-31
- **First published:** 2018-05-26
- **Size:** 31 KB
- **Data as of:** 2026-09-26
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/super-css-inject/)
- **Website:** [https://github.com/nelsonr/super\_css\_inject](https://github.com/nelsonr/super_css_inject)

## Description

Super CSS Inject is a Firefox add-on that allows you to keep multiple stylesheets ready to inject and change on the fly. Easily switch between different stylesheets per browser tab and filter larger lists with the search feature. Stay organized and improve your CSS workflow with Super CSS Inject.

## Rankings

- #27,667 — Overall
- #7 — inject
- #56 — super
- #75 — superfast
- #224 — insert

## Permissions and access

### Permissions

- `activeTab`
- `storage`

### Content script matches

- `*`

## Safety

- **Risk impact:** Moderate risk impact
- **Risk likelihood:** Low risk likelihood

### Analysis details

- Allows access to all websites, posing a significant security risk as it can monitor and modify data from any visited site.
- This extension has low user count. Unpopular extensions may not be stable or safe.

> Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing).

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Source: [Chrome-Stats](https://chrome-stats.com/d/super-css-inject)