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Sentry Shield

mozilla.orgVPN, proxy & anonymity

PulseGate's liveness check found it on 1 Oct 2026; it is registered on Firefox Add-ons and has been in the index since 1 Oct 2026. How this is checked

Sentry Shield is a Firefox browser extension with an Adblock-style filter engine for blocking advertising and tracking requests. It also applies cosmetic rules to remove leftover page elements and cleans campaign and click identifiers from URLs.

Inferred · not functionally tested

FreeWebEmbeddable
Sentry Shield preview
Visit mozilla.org

Overview

6 features

Purpose: Blocking advertising and tracking requests while removing unwanted page elements and tracking identifiers from links.

Inferred · not functionally tested

Audience: privacy-conscious Firefox users

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.

In the VPN, proxy & anonymity space, Sentry Shield takes a focused approach. Inferred · not functionally tested: It focuses on blocking advertising and tracking requests while removing unwanted page elements and tracking identifiers from links. Inferred · not functionally tested: Sentry Shield is a consumer product aimed at privacy-conscious Firefox users. Basis unknown · not verified: It is available for free. Basis unknown · not verified: Sentry Shield is available on the web and embeddable surfaces.

Behind Sentry Shield is Cueokic, and it first shipped in 2026. Inferred · not functionally tested: Among its 6 catalogued features are ad blocking, tracker blocking, and cosmetic filtering. 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

  • Ad blocking
  • Tracker blocking
  • Cosmetic filtering
  • Link cleaning
  • Custom filter rules
  • Firefox Android support

Topics: Inferred · not functionally tested

Tags
ad-blockingtracker-blockinglink-cleaningprivacy-extension

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

2

What PulseGate has recorded for this listing

  1. Indexed2 Oct · 00:12 UTC
    Listing seen via seed_sitemap
    Source: seed_sitemap · Open
  2. Indexed1 Oct · 00:52 UTC
    Sentry Shield seen via Firefox Add-ons
    Source: Firefox Add-ons · Open

Frequently asked questions about Sentry Shield

What is Sentry Shield?
Inferred · not functionally tested: Sentry Shield focuses on blocking advertising and tracking requests while removing unwanted page elements and tracking identifiers from links. It is catalogued under VPN, proxy & anonymity on PulseGate.
Who should use Sentry Shield?
Inferred · not functionally tested: Sentry Shield is a consumer product built for privacy-conscious Firefox users.
Is Sentry Shield free?
Basis unknown · not verified: Yes — Sentry Shield is free to use.
What platforms does Sentry Shield run on?
Basis unknown · not verified: Sentry Shield runs on the web and embeddable surfaces.
Is Sentry Shield still active?
PulseGate's liveness check found it on 1 Oct 2026.
What projects are similar to Sentry Shield?
Similar projects tracked by PulseGate include AdShield Guardian, Digital Shield, and Sentinel Ad & Tracker Blocker.AdShield GuardianDigital ShieldSentinel Ad & Tracker Blocker
Who develops Sentry Shield?
Sentry Shield is developed by Cueokic.
How long has Sentry Shield been around?
Sentry Shield first shipped in 2026.

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