Cats focuses on replacing plain new tabs with a more enjoyable cat-themed browsing experience. It is catalogued under Other creative on PulseGate.

Cats is a consumer product built for firefox users who enjoy cat imagery.

What platforms does Cats run on?

Cats runs on the web, embeddable surfaces, Windows, macOS, and Linux.

Is Cats still maintained?

Unverified. Cats 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 Cats?

Similar projects tracked by PulseGate include Cats & Kittens Wallpapers, Tabby Cat update for Firefox, and Catifier.

Cats is developed by AwesomeEXT.

Back to the index

Cats

Name: Cats
Author: AwesomeEXT

mozilla.orgOther creative

Cats is a Firefox browser extension that displays beautiful cat imagery whenever users open a new tab. It is designed for Firefox users who want to personalize their browsing experience with a cat-themed new-tab page.

FreeWebEmbeddableWindowsmacOSLinux

Visit mozilla.org

Overview

4 features

Cats is an Other creative project. It focuses on replacing plain new tabs with a more enjoyable cat-themed browsing experience. Cats is a consumer product aimed at firefox users who enjoy cat imagery. Cats is free to use. Cats is available on the web, embeddable surfaces, Windows, macOS, and Linux.

It is developed by AwesomeEXT, and it first shipped in 2020. Among its 4 catalogued features are cat images, new tab replacement, 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.

Cat images
New tab replacement
Firefox integration
Theme customization

Built with & integrations

Runs on

BrowserEmbeddableWindowsmacOSLinux

Trust & compliance

Verified signals

HTTPSPrivacy Policy Terms of ServiceFree tierMulti-languageStore-verified publisher

Legal

Indexing history

What PulseGate has recorded for this listing

Indexed15 Sep · 12:39 UTC
Katzen verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about Cats

What is Cats?: Cats focuses on replacing plain new tabs with a more enjoyable cat-themed browsing experience. It is catalogued under Other creative on PulseGate.
Who should use Cats?: Cats is a consumer product built for firefox users who enjoy cat imagery.
Is Cats free?: Yes — Cats is free to use.
What platforms does Cats run on?: Cats runs on the web, embeddable surfaces, Windows, macOS, and Linux.
Is Cats still maintained?: Unverified. Cats 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 Cats?: Similar projects tracked by PulseGate include Cats & Kittens Wallpapers, Tabby Cat update for Firefox, and Catifier.Cats & Kittens Wallpapers Tabby Cat update for Firefox Catifier
Who makes Cats?: Cats is developed by AwesomeEXT.
How long has Cats been around?: Cats first shipped in 2020.

At a glance

Pricing: Free
Platforms: Web
First seen: 15 Sep 2026
Built for: Firefox users who enjoy cat imagery
Model: B2C
Solves: Replacing plain new tabs with a more enjoyable cat-themed browsing experience.

Registered as

Firefox Add-ons: cats

Developer

AwesomeEXT

Index record

Indexed: 15 Sep 2026
Lifecycle: Alive
First seen: Sep 2026
Last seen: 15 Sep 2026

Identity audit (13)

Slug: katzen-mozilla-org
Lifecycle state recorded: 15 Sep 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 15 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: 15 Sep 2026
Canonical URL: https://addons.mozilla.org/en-US/firefox/addon/cats

Ship this? Send a correction — no account, and you get a link to follow it.

Similar projects

Closest matches by what these projects do