Who is CSS Layout Debugger for?

CSS Layout Debugger is an open-source project built for web developers and frontend engineers.

Does CSS Layout Debugger have a free plan?

Yes — CSS Layout Debugger is open source under the Open Source license and free to use.

What platforms does CSS Layout Debugger run on?

CSS Layout Debugger runs on the web and embeddable surfaces.

Is CSS Layout Debugger still maintained?

Unverified. CSS Layout Debugger 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 develops CSS Layout Debugger?

CSS Layout Debugger is developed by vpicone.

When did CSS Layout Debugger launch?

CSS Layout Debugger first shipped in 2019.

Is CSS Layout Debugger open source?

Yes — CSS Layout Debugger is open source under the Open Source license.

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CSS Layout Debugger

Name: CSS Layout Debugger
Author: vpicone

github.comBrowser DevTools & extensions

CSS Layout Debugger is an open-source browser extension for debugging CSS layouts. It helps frontend developers inspect page structure and identify layout-related issues while working in the browser.

Open SourceWebEmbeddable

Visit github.com

Overview

4 features

In the Browser DevTools & extensions space, CSS Layout Debugger takes a focused approach. It focuses on debugging CSS layout issues by making page structure and layout behavior easier to inspect. It is built as an open-source project for web developers and frontend engineers. The project is open source (Open Source). It runs on the web and embeddable surfaces.

It is developed by vpicone, and it first shipped in 2019. Key capabilities include layout debugging, CSS inspection, and browser extension.

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

Layout debugging
CSS inspection
Browser extension
Page structure inspection

Built with & integrations

Runs on

BrowserEmbeddable

Trust & compliance

License

Open Source

Verified signals

HTTPSPrivacy Policy Terms of ServiceOpen SourceFree tierStore-verified publisher

Legal

Indexing history

What PulseGate has recorded for this listing

Indexed11 Sep · 12:35 UTC
CSS Layout Debugger verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about CSS Layout Debugger

What does CSS Layout Debugger do?: CSS Layout Debugger focuses on debugging CSS layout issues by making page structure and layout behavior easier to inspect. It is catalogued under Browser DevTools & extensions on PulseGate.
Who is CSS Layout Debugger for?: CSS Layout Debugger is an open-source project built for web developers and frontend engineers.
Does CSS Layout Debugger have a free plan?: Yes — CSS Layout Debugger is open source under the Open Source license and free to use.
What platforms does CSS Layout Debugger run on?: CSS Layout Debugger runs on the web and embeddable surfaces.
Is CSS Layout Debugger still maintained?: Unverified. CSS Layout Debugger 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 develops CSS Layout Debugger?: CSS Layout Debugger is developed by vpicone.
When did CSS Layout Debugger launch?: CSS Layout Debugger first shipped in 2019.
Is CSS Layout Debugger open source?: Yes — CSS Layout Debugger is open source under the Open Source license.

At a glance

Pricing: Open Source
Platforms: Web
Languages: English
License: Open Source
First seen: 11 Sep 2026
Built for: web developers and frontend engineers
Model: Open source
Solves: Debugging CSS layout issues by making page structure and layout behavior easier to inspect.

Registered as

Firefox Add-ons: css-layout-debugger

Developer

vpicone

Index record

Indexed: 11 Sep 2026
Lifecycle: Alive
First seen: Sep 2026
Last seen: 11 Sep 2026

Identity audit (13)

Slug: css-layout-debugger-github-com
Lifecycle state recorded: 11 Sep 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 11 Sep 2026
Timeline basis: Indexed-at chronology (no inferred launch/funding milestones).
Name from: Written by a language model from the project's public pages.
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: 11 Sep 2026
Canonical URL: https://github.com/vpicone/css-layout-debugger

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