# Nox — Dark Mode, Light Mode & Contrast Control

> Smart theme controller for every website. Dark mode, light mode, and everything in between.

Canonical page: [https://chrome-stats.com/d/nox-theme-controller](https://chrome-stats.com/d/nox-theme-controller)

## Overview

- **ID:** `nox-theme-controller`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Aucto.ai
- **Category:** privacy-security,appearance,tabs
- **Daily users:** 4
- **Version:** 0.1.0
- **Last updated:** 2026-03-15
- **First published:** 2026-03-12
- **Size:** 245 KB
- **Data as of:** 2026-09-12
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/nox-theme-controller/)
- **Privacy policy:** [https://addons.mozilla.org/firefox/addon/nox-theme-controller/privacy/](https://addons.mozilla.org/firefox/addon/nox-theme-controller/privacy/)

## Description

Nox gives you instant control over any website's theme. Force dark mode on bright sites, or light mode on dark ones —
  with a single click or keyboard shortcut (Alt+D).

Features:
  - Dark mode for any website using smart CSS inversion
  - Light mode to brighten dark sites
  - Normal and high contrast options (Pro)
  - Per-site settings remembered automatically
  - Works on every website — no site-specific fixes needed
  - Lightweight, fast, no page content collected

Free users get 3 active sites. Upgrade to Pro for unlimited sites and high contrast mode.

Categories: select Appearance and Privacy & Security  Force dark mode or light mode on any website instantly. Per-site theme memory, adjustable contrast, and keyboard
  shortcut (Alt+D). Works everywhere.

## Rankings

- #51,065 — Overall
- #209 — trash
- #218 — dark mode

## Permissions and access

### Permissions

- `storage`
- `activeTab`
- `identity`
- `scripting`

### Content script matches

- `<all_urls>`

## Safety

- **Risk impact:** Moderate risk impact
- **Risk likelihood:** Moderate 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).

## Similar extensions and apps

- [Dark Light: Web Theme Auto Mode](https://chrome-stats.com/d/dark-light-web-mode) — 7 users
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- [Dark Mode Switcher](https://chrome-stats.com/d/dark-mode-theme-switcher) — 70 users, 5.00 / 5
- [Dark Mode Bang](https://chrome-stats.com/d/dark-mode-bang) — 1 users
- [Ultra Dark Mode](https://chrome-stats.com/d/dark-mode-dark-theme) — 65 users, 5.00 / 5
- [Dark Mode Switcher](https://chrome-stats.com/d/darkmodeswitcher) — 2 users
- [Dark Mode Pro](https://chrome-stats.com/d/dark-mode-pro) — 1 users
- [DarkShift](https://chrome-stats.com/d/darkshift1) — 2 users
- [NightShift: Advanced Dark Mode Toggle](https://chrome-stats.com/d/nightshift-advanced-dark) — 3 users
- [NightShift - ExtensionBuffet](https://chrome-stats.com/d/nightshift-extensionbuffet) — 3 users
- [Nightify - Beautiful Dark Mode](https://chrome-stats.com/d/nightify-beautiful-dark) — 12 users, 3.00 / 5
- [Multi-Theme Dark Mode](https://chrome-stats.com/d/different-dark-nightmode) — 3 users

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Source: [Chrome-Stats](https://chrome-stats.com/d/nox-theme-controller)