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Monochrome Mode

mozilla.orgBrowser DevTools & extensions

PulseGate's liveness check found it on 15 Sep 2026; it is registered on Firefox Add-ons and has been in the index since 15 Sep 2026. How this is checked

Monochrome Mode is a Firefox extension that applies a grayscale filter to websites with a one-click toggle. It works across tabs without requiring an account or collecting data, supporting reading, studying, coding, and less stimulating social feeds.

Inferred · not functionally tested

FreeWebEmbeddable
Monochrome Mode preview
Visit mozilla.org

Overview

6 features

Purpose: Reducing visual distraction and overstimulation while browsing websites.

Inferred · not functionally tested

Audience: Firefox users seeking calmer, more focused browsing

Inferred · not functionally tested

Functions: Unknown

Interfaces: API: unknown · MCP: unknown · CLI: unknown · Self-hosting: unknown

Recorded constraints: pricing: free · license: Proprietary · platforms: WEB · deployment: browser, embeddable

Constraint provenance is unknown; confirm requirements with the publisher.

Record sources: addons.mozilla.org · addons.mozilla.org. These links do not verify the individual claims.

Monochrome Mode sits in PulseGate's Browser DevTools & extensions category. Inferred · not functionally tested: It focuses on reducing visual distraction and overstimulation while browsing websites. Inferred · not functionally tested: It is built as a consumer product for firefox users seeking calmer, more focused browsing. Basis unknown · not verified: It is available for free. Basis unknown · not verified: It runs on the web and embeddable surfaces.

Pedro S. builds and maintains Monochrome Mode, and it first shipped in 2026. Inferred · not functionally tested: Among its 6 catalogued features are grayscale filter, one-click toggle, and cross-tab setting. The interface is available in 32 languages, including Czech, German, and Greek.

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

Tasks: Inferred · not functionally tested

  • Grayscale filter
  • One-click toggle
  • Cross-tab setting
  • Website-wide support
  • No account required
  • No data collection

Topics: Inferred · not functionally tested

Tags
grayscale-browsingfocus-toolsensory-friendlyminimalist-browser

JSON profile · Text profile · Access guide

Built with & integrations

Runs on
BrowserEmbeddable

Trust & compliance

Public signals
HTTPSPrivacy PolicyTerms of ServiceFree tierMulti-languageStore listing found
Legal
Privacy Policy Terms of Service

Indexing history

1

What PulseGate has recorded for this listing

  1. Indexed15 Sep · 10:29 UTC
    Monochrome Mode — Graustufen-Browsing für mehr Fok seen via Firefox Add-ons
    Source: Firefox Add-ons · Open

Frequently asked questions about Monochrome Mode

What does Monochrome Mode do?
Inferred · not functionally tested: Monochrome Mode focuses on reducing visual distraction and overstimulation while browsing websites. It is catalogued under Browser DevTools & extensions on PulseGate.
Who is Monochrome Mode for?
Inferred · not functionally tested: Monochrome Mode is a consumer product built for firefox users seeking calmer, more focused browsing.
Does Monochrome Mode have a free plan?
Basis unknown · not verified: Yes — Monochrome Mode is free to use.
What platforms does Monochrome Mode run on?
Basis unknown · not verified: Monochrome Mode runs on the web and embeddable surfaces.
Is Monochrome Mode still active?
PulseGate's liveness check found it on 15 Sep 2026.
What are alternatives to Monochrome Mode?
Similar projects tracked by PulseGate include Grayscale Bro, Grayscale, and Monochromer.Grayscale BroGrayscaleMonochromer
Who makes Monochrome Mode?
Monochrome Mode is developed by Pedro S.
How long has Monochrome Mode been around?
Monochrome Mode first shipped in 2026.

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