Mic Guard focuses on preventing websites from requesting access to a user's microphone without permission. It is catalogued under Browser DevTools & extensions on PulseGate.

Who should use Mic Guard?

Mic Guard is a consumer product built for firefox users concerned about microphone privacy.

Yes — Mic Guard is free to use.

What platforms does Mic Guard run on?

Mic Guard runs on the web and embeddable surfaces.

Is Mic Guard still maintained?

Unverified. Mic Guard 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 Mic Guard?

Similar projects tracked by PulseGate include Site Guard, WebRTC Guard, and Phone Guard.

Mic Guard is developed by Susan Harris.

When did Mic Guard launch?

Mic Guard first shipped in 2026.

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Mic Guard

Name: Mic Guard
Author: Susan Harris

mozilla.orgBrowser DevTools & extensions

Mic Guard is a Firefox browser extension that blocks microphone access requests from websites. It is intended for users who want tighter control over browser microphone permissions and web privacy.

FreeWebEmbeddable

Visit mozilla.org

Overview

4 features

Mic Guard sits in PulseGate's Browser DevTools & extensions category. It focuses on preventing websites from requesting access to a user's microphone without permission. Mic Guard is a consumer product aimed at firefox users concerned about microphone privacy. It is available for free. Mic Guard is available on the web and embeddable surfaces.

It is developed by Susan Harris, and it first shipped in 2026. Key capabilities include microphone blocking, permission control, and website-wide protection. The interface is available in 32 languages, including Czech, German, and Greek.

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

Microphone blocking
Permission control
Website-wide protection
No data collection

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

Indexed12 Sep · 02:01 UTC
Mic Guard verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about Mic Guard

What is Mic Guard?: Mic Guard focuses on preventing websites from requesting access to a user's microphone without permission. It is catalogued under Browser DevTools & extensions on PulseGate.
Who should use Mic Guard?: Mic Guard is a consumer product built for firefox users concerned about microphone privacy.
Is Mic Guard free?: Yes — Mic Guard is free to use.
What platforms does Mic Guard run on?: Mic Guard runs on the web and embeddable surfaces.
Is Mic Guard still maintained?: Unverified. Mic Guard 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 Mic Guard?: Similar projects tracked by PulseGate include Site Guard, WebRTC Guard, and Phone Guard.Site Guard WebRTC Guard Phone Guard
Who makes Mic Guard?: Mic Guard is developed by Susan Harris.
When did Mic Guard launch?: Mic Guard first shipped in 2026.

At a glance

Pricing: Free
Platforms: Web
First seen: 12 Sep 2026
Built for: Firefox users concerned about microphone privacy
Model: B2C
Solves: Preventing websites from requesting access to a user's microphone without permission.

Registered as

Firefox Add-ons: mic-guard

Developer

Susan Harris

Index record

Indexed: 12 Sep 2026
Lifecycle: Alive
First seen: Sep 2026
Last seen: 12 Sep 2026

Identity audit (13)

Slug: mic-guard-mozilla-org
Lifecycle state recorded: 12 Sep 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 12 Sep 2026
Timeline basis: Indexed-at chronology (no inferred launch/funding milestones).
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: 12 Sep 2026
Canonical URL: https://addons.mozilla.org/en-US/firefox/addon/mic-guard

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