CodeX focuses on finding relevant code on GitHub when ignored query characters produce poor search results. It is catalogued under Browser DevTools & extensions on PulseGate.

Who should use CodeX?

CodeX is a consumer product built for developers searching GitHub code.

What platforms does CodeX run on?

CodeX runs on the web and embeddable surfaces.

Is CodeX still active?

Unverified. CodeX 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.

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CodeX

Name: CodeX
Author: Anthony

mozilla.orgBrowser DevTools & extensions

CodeX is a lightweight Firefox extension that modifies GitHub code-search queries by removing characters GitHub ignores or handles poorly. It is intended for developers and researchers who need more useful GitHub search results, including plagiarism searches.

FreeWebEmbeddable

Visit mozilla.org

Overview

4 features

CodeX is a Browser DevTools & extensions project. It focuses on finding relevant code on GitHub when ignored query characters produce poor search results. CodeX is a consumer product aimed at developers searching GitHub code. CodeX is free to use. CodeX is available on the web and embeddable surfaces.

Anthony builds and maintains CodeX, and it first shipped in 2022. Key capabilities include gitHub code search, query cleanup, and plagiarism search. The interface is available in 32 languages, including Czech, German, and Greek.

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

GitHub code search
Query cleanup
Plagiarism search
Firefox integration

Built with & integrations

Connectors

github

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

Indexed12 Sep · 05:11 UTC
CodeX verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about CodeX

What is CodeX?: CodeX focuses on finding relevant code on GitHub when ignored query characters produce poor search results. It is catalogued under Browser DevTools & extensions on PulseGate.
Who should use CodeX?: CodeX is a consumer product built for developers searching GitHub code.
Is CodeX free?: Yes — CodeX is free to use.
What platforms does CodeX run on?: CodeX runs on the web and embeddable surfaces.
Is CodeX still active?: Unverified. CodeX 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 CodeX?: CodeX is developed by Anthony.
When did CodeX launch?: CodeX first shipped in 2022.
What languages does CodeX support?: The interface is available in 32 languages, including Czech, German, and Greek.

At a glance

Pricing: Free
Platforms: Web
Built for: developers searching GitHub code
Model: B2C
Solves: Finding relevant code on GitHub when ignored query characters produce poor search results.

Registered as

Firefox Add-ons: gh-codex

Developer

Anthony

Index record

Indexed: 12 Sep 2026
Lifecycle: Alive
Last seen: 12 Sep 2026

Identity audit (13)

Slug: codex-mozilla-org
Lifecycle state recorded: 12 Sep 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 12 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: 12 Sep 2026
Canonical URL: https://addons.mozilla.org/en-US/firefox/addon/gh-codex

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