Who is Layout Measure for?

Layout Measure is a B2B product built for web developers and designers.

Does Layout Measure have a free plan?

Yes — Layout Measure is free to use.

What platforms does Layout Measure run on?

Layout Measure runs on the web and embeddable surfaces.

Is Layout Measure still active?

Unverified. Layout Measure 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 Layout Measure?

Similar projects tracked by PulseGate include "Can I React?", HTML-Essentials, and AJAX Admin Navigation Sidebar AJAX.

Who develops Layout Measure?

Layout Measure is developed by Aleksandr Bogdan.

How long has Layout Measure been around?

Layout Measure first shipped in 2026.

Back to the index

Layout Measure

Name: Layout Measure
Author: Aleksandr Bogdan

mozilla.orgBrowser DevTools & extensions

Layout Measure is a Firefox browser extension for visually inspecting and measuring webpage elements. It highlights elements, shows CAD-style dimensions and spacing guides, visualizes margin, border, and padding, and supports elements inside Shadow DOM.

FreeWebEmbeddable

Visit mozilla.org

Overview

8 features

In the Browser DevTools & extensions space, Layout Measure takes a focused approach. It focuses on inspecting webpage dimensions, spacing, and CSS box-model boundaries without manually estimating measurements. It is built as a B2B product for web developers and designers. Layout Measure costs nothing to use. It runs on the web and embeddable surfaces.

Behind Layout Measure is Aleksandr Bogdan, and it first shipped in 2026. Key capabilities include element inspection, hover highlighting, and spacing measurements. 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
Hover highlighting
Spacing measurements
Box-model visualization
Shadow DOM support
Dimension markers
Contrast outlines
Keyboard activation

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

Indexed27 Aug · 15:54 UTC
Layout Measure verified against its public source
Source: PulseGate · Open

Frequently asked questions about Layout Measure

What does Layout Measure do?: Layout Measure focuses on inspecting webpage dimensions, spacing, and CSS box-model boundaries without manually estimating measurements. It is catalogued under Browser DevTools & extensions on PulseGate.
Who is Layout Measure for?: Layout Measure is a B2B product built for web developers and designers.
Does Layout Measure have a free plan?: Yes — Layout Measure is free to use.
What platforms does Layout Measure run on?: Layout Measure runs on the web and embeddable surfaces.
Is Layout Measure still active?: Unverified. Layout Measure 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 Layout Measure?: Similar projects tracked by PulseGate include "Can I React?", HTML-Essentials, and AJAX Admin Navigation Sidebar AJAX."Can I React?"HTML-Essentials AJAX Admin Navigation Sidebar AJAX
Who develops Layout Measure?: Layout Measure is developed by Aleksandr Bogdan.
How long has Layout Measure been around?: Layout Measure first shipped in 2026.

At a glance

Pricing: Free
Platforms: Web
First seen: 27 Aug 2026
Built for: web developers and designers
Model: B2B
Solves: Inspecting webpage dimensions, spacing, and CSS box-model boundaries without manually estimating measurements.

Registered as

Firefox Add-ons: layout-measure

Developer

Aleksandr Bogdan

Index record

Identity confidence: High · 96.2
Indexed: 27 Aug 2026
Lifecycle: Alive
First seen: Aug 2026
Last seen: 27 Aug 2026

Identity audit (13)

Slug: layout-measure-mozilla-org
Lifecycle state recorded: 27 Aug 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 27 Aug 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: 27 Aug 2026
Canonical URL: https://addons.mozilla.org/en-US/firefox/addon/layout-measure

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

Also in Browser DevTools & extensions

Same category — not a similarity match