Max Tabs focuses on preventing browser windows from becoming overloaded with too many open tabs. It is catalogued under Browser DevTools & extensions on PulseGate.

Max Tabs is an open-source project built for firefox users who want to control tab limits.

Yes — Max Tabs is open source under the Open Source license and free to use.

What platforms does Max Tabs run on?

Max Tabs runs on the web and embeddable surfaces.

Is Max Tabs still maintained?

Unverified. Max Tabs 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 Max Tabs?

Similar projects tracked by PulseGate include Limit Tabs, Count Tabs, and Tab counter.

Who develops Max Tabs?

Max Tabs is developed by kanru.

When did Max Tabs launch?

Max Tabs first shipped in 2017.

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Max Tabs

Name: Max Tabs
Author: kanru

github.comBrowser DevTools & extensions

Max Tabs is an open-source Firefox extension that sets a maximum number of tabs allowed in a browser window. It works without requiring a browser restart and helps users manage tab-heavy browsing sessions.

Open SourceWebEmbeddable

Visit github.com

Overview

4 features

Max Tabs is a Browser DevTools & extensions project. It focuses on preventing browser windows from becoming overloaded with too many open tabs. Max Tabs is an open-source project aimed at firefox users who want to control tab limits. The project is open source (Open Source). It ships for the web and embeddable surfaces.

kanru builds and maintains Max Tabs, and it first shipped in 2017. Key capabilities include tab limit setting, per-window tab control, and no-restart installation.

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

Tab limit setting
Per-window tab control
No-restart installation
Firefox integration

Built with & integrations

Runs on

BrowserEmbeddable

Trust & compliance

License

Open Source

Verified signals

HTTPSPrivacy Policy Terms of ServiceOpen SourceFree tierStore-verified publisher

Legal

Indexing history

What PulseGate has recorded for this listing

Indexed9 Sept · 10:17 UTC
Max Tabs (Web Extension) verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about Max Tabs

What is Max Tabs?: Max Tabs focuses on preventing browser windows from becoming overloaded with too many open tabs. It is catalogued under Browser DevTools & extensions on PulseGate.
Who is Max Tabs for?: Max Tabs is an open-source project built for firefox users who want to control tab limits.
Is Max Tabs free?: Yes — Max Tabs is open source under the Open Source license and free to use.
What platforms does Max Tabs run on?: Max Tabs runs on the web and embeddable surfaces.
Is Max Tabs still maintained?: Unverified. Max Tabs 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 Max Tabs?: Similar projects tracked by PulseGate include Limit Tabs, Count Tabs, and Tab counter.Limit Tabs Count Tabs Tab counter
Who develops Max Tabs?: Max Tabs is developed by kanru.
When did Max Tabs launch?: Max Tabs first shipped in 2017.

At a glance

Pricing: Open Source
Platforms: Web
Languages: English
License: Open Source
First seen: 9 Sept 2026
Built for: Firefox users who want to control tab limits
Model: Open source
Solves: Preventing browser windows from becoming overloaded with too many open tabs.

Registered as

Firefox Add-ons: max-tabs-web-ext

Developer

kanru

Index record

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

Identity audit (13)

Slug: max-tabs-web-extension-github-com
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 (no inferred launch/funding milestones).
Name from: Written by a language model from the project's public pages.
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://github.com/kanru/max-tabs

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