Night Mode focuses on reducing eye strain and glare when browsing websites in low-light conditions. It is catalogued under Browser DevTools & extensions on PulseGate.

Who should use Night Mode?

Night Mode is a consumer product built for firefox users who want a dark browsing experience.

Does Night Mode have a free plan?

Yes — Night Mode is free to use.

What platforms does Night Mode run on?

Night Mode runs on the web and embeddable surfaces.

Is Night Mode still active?

Unverified. Night Mode 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 are alternatives to Night Mode?

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

Who develops Night Mode?

Night Mode is developed by Simple Inc.

How long has Night Mode been around?

Night Mode first shipped in 2024.

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Night Mode

Name: Night Mode
Author: Simple Inc.

mozilla.orgBrowser DevTools & extensions

Night Mode - Dark Theme is a Firefox extension that applies a dark appearance to websites. Users can toggle the extension on or off from the browser toolbar, including on Firefox for Android.

FreeWebEmbeddableCloud-managed

Visit mozilla.org

2alternatives

5features

2024since

Overview

5 features

In the Browser DevTools & extensions space, Night Mode takes a focused approach. It focuses on reducing eye strain and glare when browsing websites in low-light conditions. Night Mode is a consumer product aimed at firefox users who want a dark browsing experience. Night Mode is free to use. It ships for the web and embeddable surfaces.

It is developed by Simple Inc., and it first shipped in 2024. Key capabilities include dark theme, toolbar toggle, and website styling. 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 theme
Toolbar toggle
Website styling
Firefox for Android
Per-tab activation

Built with & integrations

Runs on

BrowserEmbeddableCloud-managed

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 · 16:43 UTC
Night Mode - Dark Theme verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about Night Mode

What is Night Mode?: Night Mode focuses on reducing eye strain and glare when browsing websites in low-light conditions. It is catalogued under Browser DevTools & extensions on PulseGate.
Who should use Night Mode?: Night Mode is a consumer product built for firefox users who want a dark browsing experience.
Does Night Mode have a free plan?: Yes — Night Mode is free to use.
What platforms does Night Mode run on?: Night Mode runs on the web and embeddable surfaces.
Is Night Mode still active?: Unverified. Night Mode 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 are alternatives to Night Mode?: Similar projects tracked by PulseGate include Dark Mode, Dark Mode, and Dark Night Mode.Dark Mode Dark Mode Dark Night Mode
Who develops Night Mode?: Night Mode is developed by Simple Inc.
How long has Night Mode been around?: Night Mode first shipped in 2024.

At a glance

Pricing: Free
Platforms: Web
Built for: Firefox users who want a dark browsing experience
Model: B2C
Solves: Reducing eye strain and glare when browsing websites in low-light conditions.

Registered as

Firefox Add-ons: nightmode-darktheme

Developer

Simple Inc.

Index record

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

Identity audit (13)

Slug: night-mode-dark-theme-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. This listing's first-seen date was written by the catalog backfill, not observed here, so it is not treated as a sighting.
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/nightmode-darktheme

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