# Smart CSS Switcher

> Switch, manage, and sync custom CSS themes with system dark mode. Includes CSS template import/export and live detection.

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

## Overview

- **ID:** `smart-css-switcher`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Melvin Reed
- **Category:** other
- **Daily users:** 1
- **Version:** 1.3
- **Last updated:** 2025-10-15
- **First published:** 2025-10-12
- **Size:** 16 KB
- **Data as of:** 2026-09-06
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/smart-css-switcher/)
- **Website:** [https://uu88pro.com/](https://uu88pro.com/)

## Description

Switch, manage, and sync custom CSS themes with system dark mode. Includes CSS template import/export and live detection.

## Rankings

- #124,095 — Overall

## Permissions and access

### Permissions

- `activeTab`
- `storage`
- `tabs`
- `<all_urls>`

### Content script matches

- `<all_urls>`

## Safety

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

### Analysis details

- Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
- 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).

## Similar extensions and apps

- [Theme Switcher - Dark/Light Theme Toggle](https://chrome-stats.com/d/theme-switcher-dark-light) — 31 users, 5.00 / 5
- [Theme Switcher](https://chrome-stats.com/d/theme-switcher) — 1 users
- [Appearance Switcher](https://chrome-stats.com/d/appearance-switcher)
- [Dark Mode Switcher V2](https://chrome-stats.com/d/dark-mode-switcher-v2)
- [Dark Mode Switcher](https://chrome-stats.com/d/dark-mode-theme-switcher) — 69 users, 5.00 / 5
- [Dark Mode Switcher](https://chrome-stats.com/d/dark-modeswitcher1) — 7 users
- [System theme - auto (customized)](https://chrome-stats.com/d/system-theme-auto-customized) — 1 users
- [Themeinator](https://chrome-stats.com/d/themeinator) — 1 users
- [Universal Theme Toggle](https://chrome-stats.com/d/universal-theme-toggle) — 2 users
- [Fast Theme Switcher](https://chrome-stats.com/d/fast-theme-switcher) — 28 users, 4.67 / 5
- [Theme Switch](https://chrome-stats.com/d/theme-switch) — 4 users, 5.00 / 5
- [Dark Mode Switcher](https://chrome-stats.com/d/darkmodeswitcher) — 2 users

---

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