What is NightFeather?

NightFeather focuses on avoiding harsh visual changes when switching to or browsing with dark themes at night. It is catalogued under Browser DevTools & extensions on PulseGate.

Who is NightFeather for?

NightFeather is a consumer product built for firefox users who prefer softer dark-mode transitions.

Does NightFeather have a free plan?

Yes — NightFeather is free to use.

What platforms does NightFeather run on?

NightFeather runs on the web, embeddable surfaces, macOS, Windows, and Linux.

Is NightFeather still active?

Unverified. NightFeather 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 NightFeather?

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

Who develops NightFeather?

NightFeather is developed by Mark.

How long has NightFeather been around?

NightFeather first shipped in 2026.

Back to the index

NightFeather

Name: NightFeather
Author: Mark

mozilla.orgBrowser DevTools & extensions

NightFeather is a Firefox extension that applies dark themes with gentle opacity and color shifts. It is designed for users who want a softer nighttime browsing experience without sudden visual changes.

FreeWebEmbeddablemacOSWindowsLinux

Visit mozilla.org

Overview

6 features

NightFeather sits in PulseGate's Browser DevTools & extensions category. It focuses on avoiding harsh visual changes when switching to or browsing with dark themes at night. NightFeather is a consumer product aimed at firefox users who prefer softer dark-mode transitions. NightFeather is free to use. It ships for the web, embeddable surfaces, macOS, Windows, and Linux.

It is developed by Mark, and it first shipped in 2026. Among its 6 catalogued features are dark themes, opacity shifts, and color shifts. 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 themes
Opacity shifts
Color shifts
Gentle transitions
Browser tab access
No data collection

Built with & integrations

Runs on

BrowserEmbeddablemacOSWindowsLinux

Trust & compliance

Verified signals

HTTPSPrivacy Policy Terms of ServiceFree tierMulti-languageStore-verified publisher

Legal

Indexing history

What PulseGate has recorded for this listing

Indexed16 Sep · 08:18 UTC
NightFeather verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about NightFeather

What is NightFeather?: NightFeather focuses on avoiding harsh visual changes when switching to or browsing with dark themes at night. It is catalogued under Browser DevTools & extensions on PulseGate.
Who is NightFeather for?: NightFeather is a consumer product built for firefox users who prefer softer dark-mode transitions.
Does NightFeather have a free plan?: Yes — NightFeather is free to use.
What platforms does NightFeather run on?: NightFeather runs on the web, embeddable surfaces, macOS, Windows, and Linux.
Is NightFeather still active?: Unverified. NightFeather 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 NightFeather?: Similar projects tracked by PulseGate include Night Mode, Nightify, and Dark Reader Night Eye.Night Mode Nightify Dark Reader Night Eye
Who develops NightFeather?: NightFeather is developed by Mark.
How long has NightFeather been around?: NightFeather first shipped in 2026.

At a glance

Pricing: Free
Platforms: Web
First seen: 16 Sep 2026
Built for: Firefox users who prefer softer dark-mode transitions
Model: B2C
Solves: Avoiding harsh visual changes when switching to or browsing with dark themes at night.

Registered as

Firefox Add-ons: nightfeather

Developer

Mark

Index record

Indexed: 16 Sep 2026
Lifecycle: Alive
First seen: Sep 2026
Last seen: 16 Sep 2026

Identity audit (13)

Slug: nightfeather-mozilla-org
Lifecycle state recorded: 16 Sep 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 16 Sep 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: 16 Sep 2026
Canonical URL: https://addons.mozilla.org/en-US/firefox/addon/nightfeather

Ship this? Send a correction — no account, and you get a link to follow it.

Similar projects

Closest matches by what these projects do