What is Browser Lock?

Browser Lock focuses on preventing unauthorized access to a Firefox browser and its open web data. It is catalogued under Browser DevTools & extensions on PulseGate.

Who should use Browser Lock?

Browser Lock is a consumer product built for firefox users who want password protection for browser access.

Does Browser Lock have a free plan?

Yes — Browser Lock is free to use.

What platforms does Browser Lock run on?

Browser Lock runs on the web, embeddable surfaces, and Android.

Is Browser Lock still active?

Unverified. Browser Lock 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 Browser Lock?

Similar projects tracked by PulseGate include Bookmarks Folders Locker/Blocker, Lock Adblock, and Locksy.

Who develops Browser Lock?

Browser Lock is developed by idk.

When did Browser Lock launch?

Browser Lock first shipped in 2025.

Back to the index

Browser Lock

Name: Browser Lock
Author: idk

mozilla.orgBrowser DevTools & extensions

Browser Lock is a Firefox extension that requires a password when the browser starts. It is designed for users who want to restrict access to their browser and browsing data, with support for Firefox on desktop and Android.

FreeWebEmbeddableAndroid

Visit mozilla.org

Overview

6 features

Browser Lock is a Browser DevTools & extensions project. It focuses on preventing unauthorized access to a Firefox browser and its open web data. It is built as a consumer product for firefox users who want password protection for browser access. It is available for free. Browser Lock is available on the web, embeddable surfaces, and Android.

idk builds and maintains Browser Lock, and it first shipped in 2025. Among its 6 catalogued features are startup password, browser locking, and password 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.

Startup password
Browser locking
Password protection
Firefox support
Android support
Tab access control

Built with & integrations

Runs on

BrowserEmbeddableAndroid

Trust & compliance

Verified signals

HTTPSPrivacy Policy Terms of ServiceFree tierMulti-languageStore-verified publisher

Legal

Indexing history

What PulseGate has recorded for this listing

Indexed9 Sept · 00:31 UTC
Browser Lock verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about Browser Lock

What is Browser Lock?: Browser Lock focuses on preventing unauthorized access to a Firefox browser and its open web data. It is catalogued under Browser DevTools & extensions on PulseGate.
Who should use Browser Lock?: Browser Lock is a consumer product built for firefox users who want password protection for browser access.
Does Browser Lock have a free plan?: Yes — Browser Lock is free to use.
What platforms does Browser Lock run on?: Browser Lock runs on the web, embeddable surfaces, and Android.
Is Browser Lock still active?: Unverified. Browser Lock 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 Browser Lock?: Similar projects tracked by PulseGate include Bookmarks Folders Locker/Blocker, Lock Adblock, and Locksy.Bookmarks Folders Locker/Blocker Lock Adblock Locksy
Who develops Browser Lock?: Browser Lock is developed by idk.
When did Browser Lock launch?: Browser Lock first shipped in 2025.

At a glance

Pricing: Free
Platforms: Web
Built for: Firefox users who want password protection for browser access
Model: B2C
Solves: Preventing unauthorized access to a Firefox browser and its open web data.

Registered as

Firefox Add-ons: browser-lock

Developer

idk

Index record

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

Identity audit (13)

Slug: browser-lock-mozilla-org
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: 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: 9 Sept 2026
Canonical URL: https://addons.mozilla.org/en-US/firefox/addon/browser-lock

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