What is Smart Night Mode?

Smart Night Mode focuses on reducing eye strain from bright websites during late-night browsing. It is catalogued under Browser DevTools & extensions on PulseGate.

Who should use Smart Night Mode?

Smart Night Mode is a consumer product built for firefox users who want customizable dark mode browsing.

Does Smart Night Mode have a free plan?

Yes — Smart Night Mode is free to use.

What platforms does Smart Night Mode run on?

Smart Night Mode runs on the web, embeddable surfaces, and Android.

Is Smart Night Mode still active?

Unverified. Smart 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 Smart Night Mode?

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

Who develops Smart Night Mode?

Smart Night Mode is developed by Sumalya Chatterjee.

How long has Smart Night Mode been around?

Smart Night Mode first shipped in 2025.

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Smart Night Mode

Name: Smart Night Mode
Author: Sumalya Chatterjee

mozilla.orgBrowser DevTools & extensions

Smart Night Mode is a Firefox extension that automatically converts websites into dark themes. It provides brightness, contrast, and color controls plus a toolbar toggle, and is available for Firefox on desktop and Android.

FreeWebEmbeddableAndroid

Visit mozilla.org

1alternative

6features

2025since

Overview

6 features

Smart Night Mode is a Browser DevTools & extensions project. It focuses on reducing eye strain from bright websites during late-night browsing. Smart Night Mode is a consumer product aimed at firefox users who want customizable dark mode browsing. It is available for free. It ships for the web, embeddable surfaces, and Android.

Sumalya Chatterjee builds and maintains Smart Night Mode, and it first shipped in 2025. Among its 6 catalogued features are automatic dark mode, brightness controls, and contrast controls. The interface is available in 32 languages, including Czech, German, and Greek.

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

Automatic dark mode
Brightness controls
Contrast controls
Color schemes
Toolbar toggle
Website-wide 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

Indexed17 Sep · 18:33 UTC
Smart Night Mode verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about Smart Night Mode

What is Smart Night Mode?: Smart Night Mode focuses on reducing eye strain from bright websites during late-night browsing. It is catalogued under Browser DevTools & extensions on PulseGate.
Who should use Smart Night Mode?: Smart Night Mode is a consumer product built for firefox users who want customizable dark mode browsing.
Does Smart Night Mode have a free plan?: Yes — Smart Night Mode is free to use.
What platforms does Smart Night Mode run on?: Smart Night Mode runs on the web, embeddable surfaces, and Android.
Is Smart Night Mode still active?: Unverified. Smart 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 Smart Night Mode?: Similar projects tracked by PulseGate include Night Mode, Dark Mode, and Dark Mode.Night Mode Dark Mode Dark Mode
Who develops Smart Night Mode?: Smart Night Mode is developed by Sumalya Chatterjee.
How long has Smart Night Mode been around?: Smart Night Mode first shipped in 2025.

At a glance

Pricing: Free
Platforms: Web
Built for: Firefox users who want customizable dark mode browsing
Model: B2C
Solves: Reducing eye strain from bright websites during late-night browsing.

Registered as

Firefox Add-ons: smart-night-mode

Developer

Sumalya Chatterjee

Index record

Indexed: 17 Sep 2026
Lifecycle: Alive
Last seen: 17 Sep 2026

Identity audit (13)

Slug: smart-night-mode-mozilla-org
Lifecycle state recorded: 17 Sep 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 17 Sep 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: 17 Sep 2026
Canonical URL: https://addons.mozilla.org/en-US/firefox/addon/smart-night-mode

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