Tab Counter focuses on knowing how many tabs are open in the current Firefox window. It is catalogued under Browser DevTools & extensions on PulseGate.

Who should use Tab Counter?

Tab Counter is a consumer product built for firefox users who manage multiple open tabs.

Yes — Tab Counter is free to use.

What platforms does Tab Counter run on?

Tab Counter runs on the web, embeddable surfaces, and Android.

Is Tab Counter still maintained?

Unverified. Tab Counter 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 Tab Counter?

Similar projects tracked by PulseGate include Tabs Counter, Tab Counter, and Tab Counter Icon.

Who develops Tab Counter?

Tab Counter is developed by Pontoporeia.

When did Tab Counter launch?

Tab Counter first shipped in 2026.

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Tab Counter

Name: Tab Counter
Author: Pontoporeia

mozilla.orgBrowser DevTools & extensions

Tab Counter is a Firefox extension that shows the total number of tabs open in the current window. It is available for Firefox on desktop and Firefox for Android, and requires access to browser tabs without collecting developer-reported data.

FreeWebEmbeddableAndroid

Visit mozilla.org

9alternatives

6features

2026since

Overview

6 features

In the Browser DevTools & extensions space, Tab Counter takes a focused approach. It focuses on knowing how many tabs are open in the current Firefox window. Tab Counter is a consumer product aimed at firefox users who manage multiple open tabs. It is available for free. Tab Counter is available on the web, embeddable surfaces, and Android.

Pontoporeia builds and maintains Tab Counter, and it first shipped in 2026. PulseGate's similarity index places it among 9 comparable projects. Key capabilities include tab counting, current-window count, 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.

Tab counting
Current-window count
Firefox integration
Android support
No data collection
Lightweight extension

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

Indexed18 Sep · 20:24 UTC
Tab Counter verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about Tab Counter

What is Tab Counter?: Tab Counter focuses on knowing how many tabs are open in the current Firefox window. It is catalogued under Browser DevTools & extensions on PulseGate.
Who should use Tab Counter?: Tab Counter is a consumer product built for firefox users who manage multiple open tabs.
Is Tab Counter free?: Yes — Tab Counter is free to use.
What platforms does Tab Counter run on?: Tab Counter runs on the web, embeddable surfaces, and Android.
Is Tab Counter still maintained?: Unverified. Tab Counter 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 Tab Counter?: Similar projects tracked by PulseGate include Tabs Counter, Tab Counter, and Tab Counter Icon.Tabs Counter Tab Counter Tab Counter Icon
Who develops Tab Counter?: Tab Counter is developed by Pontoporeia.
When did Tab Counter launch?: Tab Counter first shipped in 2026.

At a glance

Pricing: Free
Platforms: Web
First seen: 18 Sep 2026
Built for: Firefox users who manage multiple open tabs
Model: B2C
Solves: Knowing how many tabs are open in the current Firefox window.

Registered as

Firefox Add-ons: b15a0c19c7e049c18215

Developer

Pontoporeia

Index record

Indexed: 18 Sep 2026
Lifecycle: Alive
First seen: Sep 2026
Last seen: 18 Sep 2026

Identity audit (13)

Slug: tab-counter-mozilla-org-1eq34h
Lifecycle state recorded: 18 Sep 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 18 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: 18 Sep 2026
Canonical URL: https://addons.mozilla.org/en-US/firefox/addon/b15a0c19c7e049c18215

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