What does Chrome Mask do?

Chrome Mask focuses on making Firefox compatible with websites that expect or optimize for Chrome. It is catalogued under Browser DevTools & extensions on PulseGate.

Who is Chrome Mask for?

Chrome Mask is an open-source project built for firefox users needing Chrome-compatible website behavior.

Does Chrome Mask have a free plan?

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

What platforms does Chrome Mask run on?

Chrome Mask runs on the web and embeddable surfaces.

Is Chrome Mask still active?

Unverified. Chrome Mask 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.

Who develops Chrome Mask?

Chrome Mask is developed by AcideFluorhydrique.

When did Chrome Mask launch?

Chrome Mask first shipped in 2025.

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Chrome Mask

Name: Chrome Mask
Author: AcideFluorhydrique

github.comBrowser DevTools & extensions

Chrome Mask is an open-source Firefox extension that modifies browser identification so Firefox can present itself more like Chrome to websites. It is intended for users who encounter browser-specific compatibility or access issues.

Open SourceWebEmbeddable

Visit github.com

1alternative

4features

2025since

Overview

4 features

Chrome Mask is a Browser DevTools & extensions project. It focuses on making Firefox compatible with websites that expect or optimize for Chrome. Chrome Mask is an open-source project aimed at firefox users needing Chrome-compatible website behavior. Chrome Mask is open source under the Open Source license. It runs on the web and embeddable surfaces.

AcideFluorhydrique builds and maintains Chrome Mask, and it first shipped in 2025. Key capabilities include user-agent masking, chrome identification, and firefox extension.

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

User-agent masking
Chrome identification
Firefox extension
Website compatibility

Built with & integrations

Runs on

BrowserEmbeddable

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

Indexed9 Sept · 14:46 UTC
Chrome Simulator verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about Chrome Mask

What does Chrome Mask do?: Chrome Mask focuses on making Firefox compatible with websites that expect or optimize for Chrome. It is catalogued under Browser DevTools & extensions on PulseGate.
Who is Chrome Mask for?: Chrome Mask is an open-source project built for firefox users needing Chrome-compatible website behavior.
Does Chrome Mask have a free plan?: Yes — Chrome Mask is open source under the Open Source license and free to use.
What platforms does Chrome Mask run on?: Chrome Mask runs on the web and embeddable surfaces.
Is Chrome Mask still active?: Unverified. Chrome Mask 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.
Who develops Chrome Mask?: Chrome Mask is developed by AcideFluorhydrique.
When did Chrome Mask launch?: Chrome Mask first shipped in 2025.
Is Chrome Mask open source?: Yes — Chrome Mask is open source under the Open Source license.

At a glance

Pricing: Open Source
Platforms: Web
Languages: English
License: Open Source
Built for: Firefox users needing Chrome-compatible website behavior
Model: Open source
Solves: Making Firefox compatible with websites that expect or optimize for Chrome.

Registered as

Firefox Add-ons: chrome-simulator

Developer

AcideFluorhydrique

Index record

Indexed: 9 Sept 2026
Lifecycle: Alive
Last seen: 9 Sept 2026

Identity audit (13)

Slug: chrome-simulator-github-com
Lifecycle state recorded: 9 Sept 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 9 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: 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: 9 Sept 2026
Canonical URL: https://github.com/AcideFluorhydrique/chrome-mask

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