HTML Tag Error Checker icon

HTML Tag Error Checker Chrome Extension Analysis

Developer & Designer Tools

Chrome extension ID: dgboealbpckjkjfhabahfgnjlaeghglh

An offline-capable HTML validation extension that scans the structural markup of active web pages or local HTML files to flag missing, mismatched, or broken tags. It runs directly in the browser's context and provides visual indicators via an extension icon badge and a dedicated report dashboard.

Developer:macha
Version:16.3.1
Size:1.66MiB
Last updated:

Overview

Installs

5K+

Rating

5.0

1 reviews

Languages

2 locales

Includes English, 日本語

Market analysis

Review-backed positioning, friction, and market signals for this Chrome extension.

Backed by review samples

Macro category

Developer & Designer Tools

Pricing friction

Low review signal

Complaint intensity

Low review signal

Listing & review signals
Observed signals from store listing text and review samples.

Listing positioning

The store listing positions this extension as a localized developer utility to identify mistakes in HTML opening and closing tags. It highlights the capability to display error feedback in a dedicated tab, update the icon badge with error counts, and customize site-specific rule exclusions. Additionally, it emphasizes privacy by stating that all code validation runs strictly in-browser via JavaScript without external data transmissions.

Inferred product pattern

Local-only browser execution script for client-side structural validation.

Review-backed pain points

No negative reviews or user pain points have been documented in the public store listing.

Observed feature gaps

No feature gaps are reported in the reviews, though the developer notes a functional limitation where the extension's behavior may be unpredictable on interactive pages containing forms or login screens.

Tags
HTML ValidationWeb Developer ToolsSyntax Checker
Target users

- Web Developers

- Frontend Engineers

- Web QA Testers

- Computer Science Students

Primary use cases

- Detecting unclosed or mismatched HTML tags during local development

- Validating the markup of a live page or local HTML file

- Setting domain-specific exceptions for automatic markup checking

Positive themes

- Helpful and straightforward tool for verifying HTML tag syntax errors

Negative themes

No negative theme data.

Observed friction

- No pricing friction has been observed as the tool is offered as a free utility with no monetization signals.

Evidence boundary: The assessment is derived from the official Chrome Web Store listing metadata, product descriptions, and the single 5-star user review praising its core utility. The sample size of user reviews is extremely low (one review), restricting comprehensive sentiment and bug tracking analysis to self-reported developer documentation.
Complaint summaries
Review-backed complaint signals grouped by operational area.

Support

No customer support, account blocking, or billing complaints have been registered.

Reliability

No technical issues, performance bottlenecks, or stability bugs have been reported in the available user feedback.

Privacy

No privacy or data misuse concerns have been raised; the developer explicitly claims that code checking is executed locally via JavaScript with zero external data transmission.

Access & pricing

- Free usage observed

- No account requirement observed

- Free plan or free usage claimed

Store listing facts

Listing assets

- Screenshots: 3

- Videos: 0

- Languages: 2

Trust signals

- Developer contact

- Official website

Store metadata

- Version: 16.3.1

- Size: 1.66MiB

- Last updated:

Listing SEO keywords

Search intent keywords
Keyword signals for evaluating how users may discover, compare, or search for this extension category.

Core discovery

html tag checker extensionunclosed html tag findervalidate html in chromemismatched html tags tool

Comparison

html tag checker vs w3c validator

Problem

how to find broken html tagsmissing closing div tag chromefix unclosed html tag errors

Alternative

W3C ValidatorHTMLHint

Similar extensions

Jump to related discovery paths:

Screenshots

HTML Tag Error Checker screenshot
HTML Tag Error Checker screenshot
HTML Tag Error Checker screenshot

Links

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