What is Tab Optimizer?

Tab Optimizer focuses on reducing browser memory usage and slowdowns caused by inactive open tabs. It is catalogued under Browser DevTools & extensions on PulseGate.

Who should use Tab Optimizer?

Tab Optimizer is a consumer product built for firefox users who keep many tabs open.

Does Tab Optimizer have a free plan?

Yes — Tab Optimizer is free to use.

What platforms does Tab Optimizer run on?

Tab Optimizer runs on the web and embeddable surfaces.

Is Tab Optimizer still active?

Unverified. Tab Optimizer 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 Optimizer?

Similar projects tracked by PulseGate include Tab Memory Saver, Hibernating Tabs, and Tab Suspender.

Who develops Tab Optimizer?

Tab Optimizer is developed by DEBET.

How long has Tab Optimizer been around?

Tab Optimizer first shipped in 2024.

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Tab Optimizer

Name: Tab Optimizer
Author: DEBET

mozilla.orgBrowser DevTools & extensions

Tab Optimizer is a Firefox extension that automatically suspends inactive tabs to reduce memory consumption and improve browser speed. It is intended for Firefox users who regularly keep many tabs open.

FreeWebEmbeddableCloud-managed

Visit mozilla.org

Overview

5 features

Tab Optimizer sits in PulseGate's Browser DevTools & extensions category. It focuses on reducing browser memory usage and slowdowns caused by inactive open tabs. Tab Optimizer is a consumer product aimed at firefox users who keep many tabs open. Tab Optimizer costs nothing to use. It ships for the web and embeddable surfaces.

Behind Tab Optimizer is DEBET, and it first shipped in 2024. Key capabilities include automatic tab suspension, inactive tab detection, and memory reduction. The interface is available in 32 languages, including Czech, German, and Greek.

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

Automatic tab suspension
Inactive tab detection
Memory reduction
Browser performance optimization
Tab permissions control

Built with & integrations

Runs on

BrowserEmbeddableCloud-managed

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 · 10:24 UTC
Tab Optimizer verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about Tab Optimizer

What is Tab Optimizer?: Tab Optimizer focuses on reducing browser memory usage and slowdowns caused by inactive open tabs. It is catalogued under Browser DevTools & extensions on PulseGate.
Who should use Tab Optimizer?: Tab Optimizer is a consumer product built for firefox users who keep many tabs open.
Does Tab Optimizer have a free plan?: Yes — Tab Optimizer is free to use.
What platforms does Tab Optimizer run on?: Tab Optimizer runs on the web and embeddable surfaces.
Is Tab Optimizer still active?: Unverified. Tab Optimizer 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 Optimizer?: Similar projects tracked by PulseGate include Tab Memory Saver, Hibernating Tabs, and Tab Suspender.Tab Memory Saver Hibernating Tabs Tab Suspender
Who develops Tab Optimizer?: Tab Optimizer is developed by DEBET.
How long has Tab Optimizer been around?: Tab Optimizer first shipped in 2024.

At a glance

Pricing: Free
Platforms: Web
Built for: Firefox users who keep many tabs open
Model: B2C
Solves: Reducing browser memory usage and slowdowns caused by inactive open tabs.

Registered as

Firefox Add-ons: tab-optimizer

Developer

DEBET

Index record

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

Identity audit (13)

Slug: tab-optimizer-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. 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: 11 Sep 2026
Canonical URL: https://addons.mozilla.org/en-US/firefox/addon/tab-optimizer

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