What does Nightlight do?

Nightlight focuses on reducing eye strain and improving screen readability in dark environments. It is catalogued under Browser DevTools & extensions on PulseGate.

Who should use Nightlight?

Nightlight is an open-source project built for people who use screens in low-light environments.

Does Nightlight have a free plan?

Yes — Nightlight is open source under the Open Source license and free to use.

Is Nightlight still maintained?

Unverified. Nightlight 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 Nightlight?

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

Who makes Nightlight?

Nightlight is developed by conceptualspace.

How long has Nightlight been around?

Nightlight first shipped in 2017.

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Nightlight

Name: Nightlight
Author: conceptualspace

github.comBrowser DevTools & extensions

Nightlight is an open-source browser extension that provides an inverted display mode for viewing screens in dark lighting. It is intended for users who want to adjust browser display colors for improved viewing ergonomics.

Open SourceWebEmbeddablemacOSWindowsLinux

Visit github.com

Overview

4 features

Nightlight is a Browser DevTools & extensions project. It focuses on reducing eye strain and improving screen readability in dark environments. It is built as an open-source project for people who use screens in low-light environments. The project is open source (Open Source). It runs on the web, embeddable surfaces, macOS, Windows, and Linux.

It is developed by conceptualspace, and it first shipped in 2017. Among its 4 catalogued features are display inversion, dark lighting mode, and browser toolbar control.

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

Display inversion
Dark lighting mode
Browser toolbar control
Color adjustment

Built with & integrations

Connectors

chrome

Runs on

BrowserEmbeddablemacOSWindowsLinux

Trust & compliance

License

Open Source

Verified signals

HTTPSPrivacy Policy Terms of ServiceOpen SourceFree tierStore-verified publisher

Legal

Indexing history

What PulseGate has recorded for this listing

Indexed10 Sept · 08:09 UTC
night light mode verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about Nightlight

What does Nightlight do?: Nightlight focuses on reducing eye strain and improving screen readability in dark environments. It is catalogued under Browser DevTools & extensions on PulseGate.
Who should use Nightlight?: Nightlight is an open-source project built for people who use screens in low-light environments.
Does Nightlight have a free plan?: Yes — Nightlight is open source under the Open Source license and free to use.
What platforms does Nightlight run on?: Nightlight runs on the web, embeddable surfaces, macOS, Windows, and Linux.
Is Nightlight still maintained?: Unverified. Nightlight 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 Nightlight?: Similar projects tracked by PulseGate include Simple Night Mode for Quantum, Dark Night Mode, and Night Mode.Simple Night Mode for Quantum Dark Night Mode Night Mode
Who makes Nightlight?: Nightlight is developed by conceptualspace.
How long has Nightlight been around?: Nightlight first shipped in 2017.

At a glance

Pricing: Open Source
Platforms: Web
Languages: English
License: Open Source
First seen: 10 Sept 2026
Built for: people who use screens in low-light environments
Model: Open source
Solves: Reducing eye strain and improving screen readability in dark environments.

Registered as

Firefox Add-ons: night-light-mode

Developer

conceptualspace

Index record

Indexed: 10 Sept 2026
Lifecycle: Alive
First seen: Sept 2026
Last seen: 10 Sept 2026

Identity audit (13)

Slug: night-light-mode-github-com
Lifecycle state recorded: 10 Sept 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 10 Sept 2026
Timeline basis: Indexed-at chronology (no inferred launch/funding milestones).
Name from: Written by a language model from the project's public pages.
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: 10 Sept 2026
Canonical URL: https://github.com/conceptualspace/nightlight

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