Purrank focuses on adding harmless surprise and humor to ordinary web browsing. It is catalogued under Browser DevTools & extensions on PulseGate.

Purrank is a consumer product built for firefox users who enjoy playful browser customizations.

Does Purrank have a free plan?

Yes — Purrank is free to use.

What platforms does Purrank run on?

Purrank runs on the web and embeddable surfaces.

Is Purrank still active?

Unverified. Purrank 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.

Who develops Purrank?

Purrank is developed by Gredon.

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Purrank

Name: Purrank
Author: Gredon

mozilla.orgBrowser DevTools & extensions

Purrank is a Firefox browser extension that occasionally changes images and videos on webpages through effects such as rotation, pixelation, blurring, cat replacements, and fake content-warning covers. It is designed for casual personal use and does not post, save, or modify website content.

FreeWebEmbeddable

Visit mozilla.org

Overview

7 features

Purrank sits in PulseGate's Browser DevTools & extensions category. It focuses on adding harmless surprise and humor to ordinary web browsing. Purrank is a consumer product aimed at firefox users who enjoy playful browser customizations. It is available for free. It runs on the web and embeddable surfaces.

Behind Purrank is Gredon, and it first shipped in 2026. Among its 7 catalogued features are image rotation, pixelation effects, and image blurring. The interface is available in 32 languages, including Czech, German, and Greek.

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

Image rotation
Pixelation effects
Image blurring
Cat replacements
Fake content covers
Video effects
Restore page

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

Indexed19 Sep · 22:37 UTC
Purrank – Cat & Image Pranks verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about Purrank

What is Purrank?: Purrank focuses on adding harmless surprise and humor to ordinary web browsing. It is catalogued under Browser DevTools & extensions on PulseGate.
Who is Purrank for?: Purrank is a consumer product built for firefox users who enjoy playful browser customizations.
Does Purrank have a free plan?: Yes — Purrank is free to use.
What platforms does Purrank run on?: Purrank runs on the web and embeddable surfaces.
Is Purrank still active?: Unverified. Purrank 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.
Who develops Purrank?: Purrank is developed by Gredon.
How long has Purrank been around?: Purrank first shipped in 2026.
What languages does Purrank support?: The interface is available in 32 languages, including Czech, German, and Greek.

At a glance

Pricing: Free
Platforms: Web
First seen: 19 Sep 2026
Built for: Firefox users who enjoy playful browser customizations
Model: B2C
Solves: Adding harmless surprise and humor to ordinary web browsing.

Registered as

Firefox Add-ons: purrank

Developer

Gredon

Index record

Indexed: 19 Sep 2026
Lifecycle: Alive
First seen: Sep 2026
Last seen: 19 Sep 2026

Identity audit (13)

Slug: purrank-cat-image-pranks-mozilla-org
Lifecycle state recorded: 19 Sep 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 19 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: 19 Sep 2026
Canonical URL: https://addons.mozilla.org/en-US/firefox/addon/purrank

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