Who is Measure Everything for?

Measure Everything is an open-source project built for web developers and designers.

Is Measure Everything free?

Yes — Measure Everything is open source under the Open Source license and free to use.

What platforms does Measure Everything run on?

Measure Everything runs on the web and embeddable surfaces.

Is Measure Everything still active?

Unverified. Measure Everything 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 are alternatives to Measure Everything?

Similar projects tracked by PulseGate include Layout Measure, Measure-it, and Everything Metric.

Who develops Measure Everything?

Measure Everything is developed by mdevils.

How long has Measure Everything been around?

Measure Everything first shipped in 2020.

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Measure Everything

Name: Measure Everything
Author: mdevils

mozilla.orgBrowser DevTools & extensions

Measure Everything is a Firefox extension that measures distances between DOM elements on webpages. Users activate it, select an element, and hover over another element to view instant distance measurements.

Open SourceWebEmbeddable

Visit mozilla.org

Overview

5 features

Measure Everything is a Browser DevTools & extensions project. It focuses on measuring the distance between elements on a webpage without manually inspecting DOM coordinates. It is built as an open-source project for web developers and designers. The project is open source (Open Source). It ships for the web and embeddable surfaces.

Behind Measure Everything is mdevils, and it first shipped in 2020. Among its 5 catalogued features are element measurement, DOM distance display, and hotkey 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.

Element measurement
DOM distance display
Hotkey activation
Element hover detection
Firefox integration

Built with & integrations

Runs on

BrowserEmbeddable

Trust & compliance

License

Open Source

Verified signals

HTTPSPrivacy Policy Terms of ServiceOpen SourceFree tierMulti-languageStore-verified publisher

Legal

Indexing history

What PulseGate has recorded for this listing

Indexed9 Sept · 10:15 UTC
Measure Everything verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about Measure Everything

What does Measure Everything do?: Measure Everything focuses on measuring the distance between elements on a webpage without manually inspecting DOM coordinates. It is catalogued under Browser DevTools & extensions on PulseGate.
Who is Measure Everything for?: Measure Everything is an open-source project built for web developers and designers.
Is Measure Everything free?: Yes — Measure Everything is open source under the Open Source license and free to use.
What platforms does Measure Everything run on?: Measure Everything runs on the web and embeddable surfaces.
Is Measure Everything still active?: Unverified. Measure Everything 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 are alternatives to Measure Everything?: Similar projects tracked by PulseGate include Layout Measure, Measure-it, and Everything Metric.Layout Measure Measure-it Everything Metric
Who develops Measure Everything?: Measure Everything is developed by mdevils.
How long has Measure Everything been around?: Measure Everything first shipped in 2020.

At a glance

Pricing: Open Source
Platforms: Web
License: Open Source
First seen: 9 Sept 2026
Built for: web developers and designers
Model: Open source
Solves: Measuring the distance between elements on a webpage without manually inspecting DOM coordinates.

Registered as

Firefox Add-ons: measure-everything

Developer

mdevils

Index record

Indexed: 9 Sept 2026
Lifecycle: Alive
First seen: Sept 2026
Last seen: 9 Sept 2026

Identity audit (13)

Slug: measure-everything-mozilla-org
Lifecycle state recorded: 9 Sept 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 9 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: 9 Sept 2026
Canonical URL: https://addons.mozilla.org/en-US/firefox/addon/measure-everything

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