Who is HTML Tags Detector for?

HTML Tags Detector is a B2B product built for web developers.

Is HTML Tags Detector free?

Yes — HTML Tags Detector is free to use.

What platforms does HTML Tags Detector run on?

HTML Tags Detector runs on the web, embeddable surfaces, Windows, macOS, and Linux.

Is HTML Tags Detector still active?

Unverified. HTML Tags Detector 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 HTML Tags Detector?

Similar projects tracked by PulseGate include Website Technology Detector, Font Detector, and SEO Tag Inspector.

Who makes HTML Tags Detector?

HTML Tags Detector is developed by WordPress Mechanic.

When did HTML Tags Detector launch?

HTML Tags Detector first shipped in 2019.

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HTML Tags Detector

Name: HTML Tags Detector
Author: WordPress Mechanic

mozilla.orgBrowser DevTools & extensions

HTML Tags Detector is a Firefox browser extension that displays webpage elements in a sidebar when users select HTML tag names. It helps web developers inspect page structure and check for overlapping elements.

FreeWebEmbeddableWindowsmacOSLinux

Visit mozilla.org

Overview

5 features

In the Browser DevTools & extensions space, HTML Tags Detector takes a focused approach. It focuses on inspecting webpage elements and identifying overlapping HTML elements during web development. HTML Tags Detector is a B2B product aimed at web developers. It is available for free. It runs on the web, embeddable surfaces, Windows, macOS, and Linux.

Behind HTML Tags Detector is WordPress Mechanic, and it first shipped in 2019. Among its 5 catalogued features are element inspection, sidebar view, and HTML tag detection. The interface is available in 32 languages, including Czech, German, and Greek.

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

Element inspection
Sidebar view
HTML tag detection
Overlap checking
Browser tab access

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

Indexed16 Sep · 17:29 UTC
HTML Tags Detector verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about HTML Tags Detector

What does HTML Tags Detector do?: HTML Tags Detector focuses on inspecting webpage elements and identifying overlapping HTML elements during web development. It is catalogued under Browser DevTools & extensions on PulseGate.
Who is HTML Tags Detector for?: HTML Tags Detector is a B2B product built for web developers.
Is HTML Tags Detector free?: Yes — HTML Tags Detector is free to use.
What platforms does HTML Tags Detector run on?: HTML Tags Detector runs on the web, embeddable surfaces, Windows, macOS, and Linux.
Is HTML Tags Detector still active?: Unverified. HTML Tags Detector 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 HTML Tags Detector?: Similar projects tracked by PulseGate include Website Technology Detector, Font Detector, and SEO Tag Inspector.Website Technology Detector Font Detector SEO Tag Inspector
Who makes HTML Tags Detector?: HTML Tags Detector is developed by WordPress Mechanic.
When did HTML Tags Detector launch?: HTML Tags Detector first shipped in 2019.

At a glance

Pricing: Free
Platforms: Web
First seen: 16 Sep 2026
Built for: web developers
Model: B2B
Solves: Inspecting webpage elements and identifying overlapping HTML elements during web development.

Registered as

Firefox Add-ons: html-tags-detector

Developer

WordPress Mechanic

Index record

Indexed: 16 Sep 2026
Lifecycle: Alive
First seen: Sep 2026
Last seen: 16 Sep 2026

Identity audit (13)

Slug: html-tags-detector-mozilla-org
Lifecycle state recorded: 16 Sep 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 16 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: 16 Sep 2026
Canonical URL: https://addons.mozilla.org/en-US/firefox/addon/html-tags-detector

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