Outliner - HTML Element Inspector

Professional HTML element inspector with custom outlines. Perfect for web developers to visualize page structure.

As of June 2026, Outliner - HTML Element Inspector has 55 users and a 5.00/5 rating from 2 reviews in the Developer Tools category.

Developer Tools

Chrome Web Store ↗.crx

Users−3.5%

Rating0%

5.00

2 reviews

Reviews0%

Version

1.0.1

Manifest V3

History

5 snapshots

Tracking since Apr 19, 2026.

View as table

Date	Users	Rating	Reviews	Version
Apr 19, 2026	57	5.00	2	1.0.1
May 4, 2026	60	5.00	2	1.0.1
May 13, 2026	58	5.00	2	1.0.1
May 26, 2026	54	5.00	2	1.0.1
Jun 7, 2026	52	5.00	2	1.0.1
Now	55	5.00	2	1.0.1

Permissions & access

Permissions: activeTabstorage
Host access: <all_urls>

Screenshots

Outliner - HTML Element Inspector screenshot 1

Outliner - HTML Element Inspector screenshot 2

About

An essential tool for modern web developers to visually inspect, analyze, and debug HTML elements with ease.

Element Outline lets you instantly highlight elements on any webpage using fully customizable outlines, making it effortless to detect layout issues, spacing problems, and hidden components—without ever opening DevTools.

Why you'll love it:
- Real-time Element Inspection – Instantly see structure and nesting
- Customizable Outline Styles – Choose colors, thickness, and patterns
- Precise Element Measurements – Identify padding, margins, and dimensions
- One-Click Activation – Highlight elements across the page in a flash

Whether you're debugging layouts, auditing UI consistency, or just want a clearer view of your DOM structure, Element Outline is your go-to extension to speed up development and boost productivity.