Who is Page Lock for?

Page Lock is a consumer product built for firefox users who need to protect active browser tabs.

Does Page Lock have a free plan?

Yes — Page Lock is free to use.

What platforms does Page Lock run on?

Page Lock runs on the web and embeddable surfaces.

Is Page Lock still maintained?

Unverified. Page 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 are alternatives to Page Lock?

Similar projects tracked by PulseGate include Tab Lock, Browser Lock, and Clipboard Lock.

Page Lock is developed by manybuddies.

How long has Page Lock been around?

Page Lock first shipped in 2020.

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Page Lock

Name: Page Lock
Author: manybuddies

mozilla.orgBrowser DevTools & extensions

Page Lock is a Firefox browser extension that prompts users before closing protected tabs. It helps prevent accidental interruption of uploads, downloads, and other browser activities.

FreeWebEmbeddable

Visit mozilla.org

Overview

4 features

In the Browser DevTools & extensions space, Page Lock takes a focused approach. It focuses on preventing accidental browser-tab closures during downloads, uploads, and other ongoing tasks. It is built as a consumer product for firefox users who need to protect active browser tabs. Page Lock costs nothing to use. It ships for the web and embeddable surfaces.

It is developed by manybuddies, and it first shipped in 2020. Among its 4 catalogued features are close confirmation, tab protection, and browser 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.

Close confirmation
Tab protection
Browser integration
Permission controls

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

Indexed11 Sep · 08:44 UTC
Page Lock verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about Page Lock

What does Page Lock do?: Page Lock focuses on preventing accidental browser-tab closures during downloads, uploads, and other ongoing tasks. It is catalogued under Browser DevTools & extensions on PulseGate.
Who is Page Lock for?: Page Lock is a consumer product built for firefox users who need to protect active browser tabs.
Does Page Lock have a free plan?: Yes — Page Lock is free to use.
What platforms does Page Lock run on?: Page Lock runs on the web and embeddable surfaces.
Is Page Lock still maintained?: Unverified. Page 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 are alternatives to Page Lock?: Similar projects tracked by PulseGate include Tab Lock, Browser Lock, and Clipboard Lock.Tab Lock Browser Lock Clipboard Lock
Who makes Page Lock?: Page Lock is developed by manybuddies.
How long has Page Lock been around?: Page Lock first shipped in 2020.

At a glance

Pricing: Free
Platforms: Web
First seen: 11 Sep 2026
Built for: Firefox users who need to protect active browser tabs
Model: B2C
Solves: Preventing accidental browser-tab closures during downloads, uploads, and other ongoing tasks.

Registered as

Firefox Add-ons: page-lock

Developer

manybuddies

Index record

Indexed: 11 Sep 2026
Lifecycle: Alive
First seen: Sep 2026
Last seen: 11 Sep 2026

Identity audit (13)

Slug: page-lock-mozilla-org
Lifecycle state recorded: 11 Sep 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 11 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: 11 Sep 2026
Canonical URL: https://addons.mozilla.org/en-US/firefox/addon/page-lock

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