Who is Detector Whats Font for?

Detector Whats Font is a consumer product built for web designers and developers.

Is Detector Whats Font free?

Yes — Detector Whats Font is free to use.

What platforms does Detector Whats Font run on?

Detector Whats Font runs on the web and embeddable surfaces.

Is Detector Whats Font still active?

Unverified. Detector Whats Font 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 Detector Whats Font?

Similar projects tracked by PulseGate include Font Detector, WhatFont, and FontHunter.

Who develops Detector Whats Font?

Detector Whats Font is developed by macha.

When did Detector Whats Font launch?

Detector Whats Font first shipped in 2024.

Back to the index

Detector Whats Font

Name: Detector Whats Font
Author: macha

mozilla.orgBrowser DevTools & extensions

Detector Whats Font is a Firefox extension that reveals font information for text on web pages. Users activate it from the browser toolbar and hover over text to inspect its typeface, supporting web design research and font selection.

FreeWebEmbeddable

Visit mozilla.org

Overview

5 features

Detector Whats Font sits in PulseGate's Browser DevTools & extensions category. It focuses on identifying the fonts used on websites without opening browser developer tools. Detector Whats Font is a consumer product aimed at web designers and developers. It is available for free. It runs on the web and embeddable surfaces.

It is developed by macha, and it first shipped in 2024. Key capabilities include font detection, hover inspection, and toolbar activation. The interface is available in 32 languages, including Czech, German, and Greek.

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

Font detection
Hover inspection
Toolbar activation
Web page analysis
Font information

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

Indexed10 Sep · 20:55 UTC
Detector Whats Font verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about Detector Whats Font

What is Detector Whats Font?: Detector Whats Font focuses on identifying the fonts used on websites without opening browser developer tools. It is catalogued under Browser DevTools & extensions on PulseGate.
Who is Detector Whats Font for?: Detector Whats Font is a consumer product built for web designers and developers.
Is Detector Whats Font free?: Yes — Detector Whats Font is free to use.
What platforms does Detector Whats Font run on?: Detector Whats Font runs on the web and embeddable surfaces.
Is Detector Whats Font still active?: Unverified. Detector Whats Font 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 Detector Whats Font?: Similar projects tracked by PulseGate include Font Detector, WhatFont, and FontHunter.Font Detector WhatFont FontHunter
Who develops Detector Whats Font?: Detector Whats Font is developed by macha.
When did Detector Whats Font launch?: Detector Whats Font first shipped in 2024.

At a glance

Pricing: Free
Platforms: Web
Built for: web designers and developers
Model: B2C
Solves: Identifying the fonts used on websites without opening browser developer tools.

Registered as

Firefox Add-ons: whatsfont

Developer

macha

Index record

Indexed: 10 Sep 2026
Lifecycle: Alive
Last seen: 10 Sep 2026

Identity audit (13)

Slug: detector-whats-font-mozilla-org
Lifecycle state recorded: 10 Sep 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 10 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: 10 Sep 2026
Canonical URL: https://addons.mozilla.org/en-US/firefox/addon/whatsfont

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