What does Check0Pmarks do?

Managing, sorting, formatting, and visually identifying browser bookmarks. It is catalogued under Browser DevTools & extensions on PulseGate.

Who is Check0Pmarks for?

Check0Pmarks is a consumer product built for firefox users who manage large or disorganized bookmark collections.

Does Check0Pmarks have a free plan?

Yes — Check0Pmarks is free to use.

What platforms does Check0Pmarks run on?

Check0Pmarks runs on the web and embeddable surfaces.

Is Check0Pmarks still maintained?

Unverified. Check0Pmarks 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 makes Check0Pmarks?

Check0Pmarks is developed by Margery.

When did Check0Pmarks launch?

Check0Pmarks first shipped in 2026.

Back to the index

Check0Pmarks

Name: Check0Pmarks
Author: Margery

mozilla.orgBrowser DevTools & extensions

Check0Pmarks is a Firefox extension that checks, sorts, and formats bookmarks while loading website favicons. It is intended for Firefox users who want to organize and improve the presentation of their bookmark collections.

FreeWebEmbeddable

Visit mozilla.org

Overview

4 features

Check0Pmarks is a Browser DevTools & extensions project. Managing, sorting, formatting, and visually identifying browser bookmarks. Check0Pmarks is a consumer product aimed at firefox users who manage large or disorganized bookmark collections. Check0Pmarks is free to use. It ships for the web and embeddable surfaces.

Behind Check0Pmarks is Margery, and it first shipped in 2026. Key capabilities include bookmark checking, bookmark sorting, and bookmark formatting. The interface is available in 32 languages, including Czech, German, and Greek.

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

Bookmark checking
Bookmark sorting
Bookmark formatting
Favicon loading

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

Indexed3 Sept · 00:24 UTC
Check0Pmarks verified against its public source
Source: PulseGate · Open

Frequently asked questions about Check0Pmarks

What does Check0Pmarks do?: Managing, sorting, formatting, and visually identifying browser bookmarks. It is catalogued under Browser DevTools & extensions on PulseGate.
Who is Check0Pmarks for?: Check0Pmarks is a consumer product built for firefox users who manage large or disorganized bookmark collections.
Does Check0Pmarks have a free plan?: Yes — Check0Pmarks is free to use.
What platforms does Check0Pmarks run on?: Check0Pmarks runs on the web and embeddable surfaces.
Is Check0Pmarks still maintained?: Unverified. Check0Pmarks 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 makes Check0Pmarks?: Check0Pmarks is developed by Margery.
When did Check0Pmarks launch?: Check0Pmarks first shipped in 2026.
What languages does Check0Pmarks support?: The interface is available in 32 languages, including Czech, German, and Greek.

At a glance

Pricing: Free
Platforms: Web
First seen: 3 Sept 2026
Built for: Firefox users who manage large or disorganized bookmark collections
Model: B2C
Solves: Managing, sorting, formatting, and visually identifying browser bookmarks.

Registered as

Firefox Add-ons: check0pmarks

Developer

Margery

Index record

Indexed: 3 Sept 2026
Lifecycle: Alive
First seen: Sept 2026
Last seen: 3 Sept 2026

Identity audit (13)

Slug: check0pmarks-mozilla-org
Lifecycle state recorded: 3 Sept 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 3 Sept 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: 3 Sept 2026
Canonical URL: https://addons.mozilla.org/en-US/firefox/addon/check0pmarks

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

Similar projects

Closest matches by what these projects do