Page Dimmer focuses on reducing eye strain when viewing bright webpages. It is catalogued under Browser DevTools & extensions on PulseGate.

Who should use Page Dimmer?

Page Dimmer is a consumer product built for firefox users who want more comfortable screen viewing.

Yes — Page Dimmer is free to use.

What platforms does Page Dimmer run on?

Page Dimmer runs on the web and embeddable surfaces.

Is Page Dimmer still active?

Unverified. Page Dimmer 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 Page Dimmer?

Similar projects tracked by PulseGate include Website Dimmer, Blue Light Dimmer, and Distraction Dimmer.

Who makes Page Dimmer?

Page Dimmer is developed by GO99.

How long has Page Dimmer been around?

Page Dimmer first shipped in 2024.

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Page Dimmer

Name: Page Dimmer
Author: GO99

mozilla.orgBrowser DevTools & extensions

Page Dimmer is a Firefox browser extension that lets users adjust the opacity of any webpage. It is intended to reduce brightness and eye strain during web browsing.

FreeWebEmbeddable

Visit mozilla.org

Overview

4 features

Page Dimmer is a Browser DevTools & extensions project. It focuses on reducing eye strain when viewing bright webpages. It is built as a consumer product for firefox users who want more comfortable screen viewing. Page Dimmer costs nothing to use. It runs on the web and embeddable surfaces.

GO99 builds and maintains Page Dimmer, and it first shipped in 2024. Among its 4 catalogued features are opacity adjustment, webpage dimming, and eye strain reduction. The interface is available in 32 languages, including Czech, German, and Greek.

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

Opacity adjustment
Webpage dimming
Eye strain reduction
Firefox integration

Built with & integrations

Runs on

BrowserEmbeddable

Trust & compliance

Verified signals

HTTPSPrivacy Policy Terms of ServiceFree tierMulti-languageStore-verified publisher

Legal

Indexing history

What PulseGate has recorded for this listing

Indexed15 Sep · 23:15 UTC
Page Dimmer verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about Page Dimmer

What is Page Dimmer?: Page Dimmer focuses on reducing eye strain when viewing bright webpages. It is catalogued under Browser DevTools & extensions on PulseGate.
Who should use Page Dimmer?: Page Dimmer is a consumer product built for firefox users who want more comfortable screen viewing.
Is Page Dimmer free?: Yes — Page Dimmer is free to use.
What platforms does Page Dimmer run on?: Page Dimmer runs on the web and embeddable surfaces.
Is Page Dimmer still active?: Unverified. Page Dimmer 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 Page Dimmer?: Similar projects tracked by PulseGate include Website Dimmer, Blue Light Dimmer, and Distraction Dimmer.Website Dimmer Blue Light Dimmer Distraction Dimmer
Who makes Page Dimmer?: Page Dimmer is developed by GO99.
How long has Page Dimmer been around?: Page Dimmer first shipped in 2024.

At a glance

Pricing: Free
Platforms: Web
Built for: Firefox users who want more comfortable screen viewing
Model: B2C
Solves: Reducing eye strain when viewing bright webpages.

Registered as

Firefox Add-ons: page-dimmer

Developer

GO99

Index record

Indexed: 15 Sep 2026
Lifecycle: Alive
Last seen: 15 Sep 2026

Identity audit (13)

Slug: page-dimmer-mozilla-org
Lifecycle state recorded: 15 Sept 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 15 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: 15 Sept 2026
Canonical URL: https://addons.mozilla.org/en-US/firefox/addon/page-dimmer

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