Sauron focuses on reducing eye strain and glare when browsing websites in dark environments. It is catalogued under Browser DevTools & extensions on PulseGate.

Sauron is a consumer product built for firefox users who want a customizable dark browsing experience.

What platforms does Sauron run on?

Sauron runs on the web, embeddable surfaces, and Android.

Is Sauron still maintained?

Unverified. Sauron has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.

What projects are similar to Sauron?

Similar projects tracked by PulseGate include Dark Mode, Dark Mode, and Dark Mode Screen.

Sauron is developed by Rishabh Maheshwari.

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Sauron

Name: Sauron
Author: Rishabh Maheshwari

mozilla.orgBrowser DevTools & extensions

Sauron is a Firefox browser extension that applies dark or night mode to websites while preserving their layouts. It includes image brightness filtering, per-site blacklists and whitelists, and scheduled dark mode settings for desktop and experimental Android use.

FreeWebEmbeddableAndroid

Visit mozilla.org

Overview

8 features

Sauron is a Browser DevTools & extensions project. It focuses on reducing eye strain and glare when browsing websites in dark environments. It is built as a consumer product for firefox users who want a customizable dark browsing experience. Sauron costs nothing to use. It ships for the web, embeddable surfaces, and Android.

It is developed by Rishabh Maheshwari, and it first shipped in 2019. Among its 8 catalogued features are dark mode, night mode, and image filtering. The interface is available in 32 languages, including Czech, German, and Greek.

Summary written by a language model from the project’s public pages.

Dark mode
Night mode
Image filtering
Site blacklist
Site whitelist
Dark mode scheduler
No white flash
Android support

Built with & integrations

Runs on

BrowserEmbeddableAndroid

Trust & compliance

Verified signals

HTTPSPrivacy Policy Terms of ServiceFree tierMulti-languageStore-verified publisher

Legal

Indexing history

What PulseGate has recorded for this listing

Indexed9 Sept · 19:14 UTC
Sauron - Dark mode for all websites verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about Sauron

What does Sauron do?: Sauron focuses on reducing eye strain and glare when browsing websites in dark environments. It is catalogued under Browser DevTools & extensions on PulseGate.
Who is Sauron for?: Sauron is a consumer product built for firefox users who want a customizable dark browsing experience.
Is Sauron free?: Yes — Sauron is free to use.
What platforms does Sauron run on?: Sauron runs on the web, embeddable surfaces, and Android.
Is Sauron still maintained?: Unverified. Sauron has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.
What projects are similar to Sauron?: Similar projects tracked by PulseGate include Dark Mode, Dark Mode, and Dark Mode Screen.Dark Mode Dark Mode Dark Mode Screen
Who makes Sauron?: Sauron is developed by Rishabh Maheshwari.
How long has Sauron been around?: Sauron first shipped in 2019.

At a glance

Pricing: Free
Platforms: Web
First seen: 9 Sept 2026
Built for: Firefox users who want a customizable dark browsing experience
Model: B2C
Solves: Reducing eye strain and glare when browsing websites in dark environments.

Registered as

Firefox Add-ons: sauron-dark-mode

Developer

Rishabh Maheshwari

Index record

Indexed: 9 Sept 2026
Lifecycle: Alive
First seen: Sept 2026
Last seen: 9 Sept 2026

Identity audit (13)

Slug: sauron-dark-mode-for-all-websites-mozilla-org
Lifecycle state recorded: 9 Sept 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 9 Sept 2026
Timeline basis: Indexed-at chronology (no inferred launch/funding milestones).
Name from: Derived from the project's own page and URL.
Category from: Assigned by a language model.
Summary from: Written by a language model from public pages.
Languages from: Detected by a language model, checked against the page's own declaration.
Last updated: 9 Sept 2026
Canonical URL: https://addons.mozilla.org/en-US/firefox/addon/sauron-dark-mode

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