Who should use AntiBrowserSpy StealthBrowser?

AntiBrowserSpy StealthBrowser is a consumer product built for privacy-conscious Firefox users.

Is AntiBrowserSpy StealthBrowser free?

Yes — AntiBrowserSpy StealthBrowser is free to use.

What platforms does AntiBrowserSpy StealthBrowser run on?

AntiBrowserSpy StealthBrowser runs on the web, embeddable surfaces, and Windows.

Is AntiBrowserSpy StealthBrowser still active?

Unverified. AntiBrowserSpy StealthBrowser 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 AntiBrowserSpy StealthBrowser?

AntiBrowserSpy StealthBrowser is developed by Ascora GmbH, based in Germany.

When did AntiBrowserSpy StealthBrowser launch?

AntiBrowserSpy StealthBrowser first shipped in 2022.

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AntiBrowserSpy StealthBrowser

Name: AntiBrowserSpy StealthBrowser
Author: Ascora GmbH

mozilla.orgBrowser DevTools & extensions🇩🇪

AntiBrowserSpy StealthBrowser is a Firefox extension that periodically changes the browser User-Agent string to make fingerprint-based identification more difficult. It complements the AntiBrowserSpy security software for Windows PCs and is intended for privacy-conscious users.

FreeWebEmbeddableWindows

Visit mozilla.org

Overview

5 features

AntiBrowserSpy StealthBrowser is a Browser DevTools & extensions project. It focuses on reducing browser fingerprinting and tracking by periodically changing the browser User-Agent. It is built as a consumer product for privacy-conscious Firefox users. AntiBrowserSpy StealthBrowser is free to use. AntiBrowserSpy StealthBrowser is available on the web, embeddable surfaces, and Windows.

Ascora GmbH builds and maintains AntiBrowserSpy StealthBrowser, and it first shipped in 2022. Key capabilities include user-Agent rotation, fingerprint reduction, and firefox integration. The interface is available in 32 languages, including Czech, German, and Greek.

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

User-Agent rotation
Fingerprint reduction
Firefox integration
Browser tab access
Website data access

Built with & integrations

Runs on

BrowserEmbeddableWindows

Trust & compliance

Verified signals

HTTPSPrivacy Policy Terms of ServiceFree tierMulti-languageStore-verified publisher

Legal

Indexing history

What PulseGate has recorded for this listing

Indexed10 Sep · 12:24 UTC
AntiBrowserSpy Browser-Tarnkappe verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about AntiBrowserSpy StealthBrowser

What does AntiBrowserSpy StealthBrowser do?: AntiBrowserSpy StealthBrowser focuses on reducing browser fingerprinting and tracking by periodically changing the browser User-Agent. It is catalogued under Browser DevTools & extensions on PulseGate.
Who should use AntiBrowserSpy StealthBrowser?: AntiBrowserSpy StealthBrowser is a consumer product built for privacy-conscious Firefox users.
Is AntiBrowserSpy StealthBrowser free?: Yes — AntiBrowserSpy StealthBrowser is free to use.
What platforms does AntiBrowserSpy StealthBrowser run on?: AntiBrowserSpy StealthBrowser runs on the web, embeddable surfaces, and Windows.
Is AntiBrowserSpy StealthBrowser still active?: Unverified. AntiBrowserSpy StealthBrowser 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 AntiBrowserSpy StealthBrowser?: AntiBrowserSpy StealthBrowser is developed by Ascora GmbH, based in Germany.
When did AntiBrowserSpy StealthBrowser launch?: AntiBrowserSpy StealthBrowser first shipped in 2022.
What languages does AntiBrowserSpy StealthBrowser support?: The interface is available in 32 languages, including Czech, German, and Greek.

At a glance

Pricing: Free
Platforms: Web
Built for: privacy-conscious Firefox users
Model: B2C
Solves: Reducing browser fingerprinting and tracking by periodically changing the browser User-Agent.

Registered as

Firefox Add-ons: antibrowserspy-stealthbrowser

Developer

🇩🇪Ascora GmbH

Index record

Indexed: 10 Sep 2026
Lifecycle: Alive
Last seen: 10 Sep 2026

Identity audit (13)

Slug: antibrowserspy-browser-tarnkappe-mozilla-org
Lifecycle state recorded: 10 Sep 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 10 Sep 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: 10 Sep 2026
Canonical URL: https://addons.mozilla.org/en-US/firefox/addon/antibrowserspy-stealthbrowser

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