ExtSpot
HTML Validity Checker icon

HTML Validity Checker Chrome Extension Analysis

Developer & Designer Tools

Chrome extension ID: ahmhppdpfjejnolllpibopeclbojceaf

HTML Validity Checker is a browser tool that performs local, on-demand audits of the currently rendered page. It identifies common structural errors like duplicate IDs, missing attributes, and nesting issues, providing developers with actionable snippets and exportable reports in JSON or Markdown.

Developer:a1local
Version:0.1.0
Size:25.76KiB
Last updated:
View developer profile
External:Chrome Web StoreOfficial website

Overview

Installs

0

Rating

★ —

0 reviews

Languages

1 locales

Includes English

Market analysis

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

No review samples found

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 listing positions the extension as a privacy-focused, local-first utility for rapid HTML structure analysis. It emphasizes practical QA utility by auditing the browser-rendered DOM rather than source code, positioning itself as a supplement to formal W3C validation.

Inferred product pattern

Single-purpose local-execution developer utility.

Review-backed pain points

Review-backed data is not available.

Observed feature gaps

No feature gaps identified; the listing explicitly clarifies that it does not perform full W3C source validation.

Tags
HTML ValidatorDOM InspectorWeb DevelopmentQA ToolAccessibility Checker
Target users

- Web Developers

- SEO Specialists

- QA Engineers

- Site Owners

Primary use cases

- Detecting duplicate IDs

- Validating image alt text

- Checking for missing HTML lang or title tags

- Identifying invalid DOM nesting

- Generating QA reports for tickets

Positive themes

No positive theme data.

Negative themes

No negative theme data.

Observed friction

- No pricing friction identified; product appears to be a free utility.

Evidence boundary: Analysis based on public store description and feature claims provided by the developer. Product lacks user reviews, preventing assessment of real-world reliability or bug prevalence.
Complaint summaries
Review-backed complaint signals grouped by operational area.

Support

Review-backed data is not available.

Reliability

Review-backed data is not available.

Privacy

None identified; the listing explicitly claims local execution and no remote data transfers.

Access & pricing

- Free usage observed

- No account requirement observed

- Free plan or free usage claimed

Store listing facts

Listing assets

- Screenshots: 1

- Videos: 0

- Languages: 1

Trust signals

- Privacy policy

- Developer contact

- Official website

- Support link

Store metadata

- Version: 0.1.0

- Size: 25.76KiB

- 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 structure checkerDOM audit toolcheck duplicate IDmissing alt text checkerweb development QA extension

Comparison

W3C validator alternativeHTML linting extension

Problem

invalid HTML structureaccessibility audit tool

Alternative

HTML validator chrome extension

Similar extensions

Jump to related discovery paths:

More in developerMore from this developer

Screenshots

HTML Validity Checker screenshot

Links

Website: a1local.com.au

Privacy policy: https://a1local.com.au/extensions/privacy/

Support links: https://a1local.com.au/extensions/support/

Recommended Chrome extensions

Related listings from the same category, trending peers, and the same publisher portfolio.

Browse developer
A1 Multitool icon

A1 Multitool

a1local

Inspect type, color, SEO tags, structured data, links, HTML, accessibility, performance, tech stack, and overlays locally.

Installs

7

Rating

★ —

Accessibility Quick Audit icon

Accessibility Quick Audit

a1local

Run a fast local accessibility checklist on the active page with actionable DOM hints.

Installs

4

Rating

★ —

TikTok Pixel Helper icon

TikTok Pixel Helper

TikTok For Business

The TikTok Pixel Helper is a plug-in that monitors whether your TikTok Pixel is functioning properly.

Installs

600K+

Rating

★ 2.6

Google Analytics Debugger icon

Google Analytics Debugger

Google Analytics

Prints useful information to the JavaScript console by enabling the debug version of the Google Analytics Javascript.

Installs

600K+

Rating

★ 4.2

Tag Assistant Companion icon

Tag Assistant Companion

Google

The Tag Assistant Companion extension works with Tag Assistant to help troubleshoot installation of gtag.js and Google Tag Manager.

Installs

500K+

Rating

★ 3.1

Salesforce Inspector Reloaded icon

Salesforce Inspector Reloaded

Thomas Prouvot

Productivity tools for Salesforce administrators and developers to inspect data and metadata directly from the Salesforce UI.

Installs

500K+

Rating

★ 4.8

Axure RP Extension for Chrome icon

Axure RP Extension for Chrome

Axure Software Solutions, Inc.

An extension that allows viewing of locally published Axure RP prototypes (HTML files) from Google Chrome.

Installs

500K+

Rating

★ 3.3

Angular DevTools icon

Angular DevTools

Angular

Angular DevTools extends Chrome DevTools adding Angular specific debugging and profiling capabilities.

Installs

400K+

Rating

★ 3.7

daily.dev | Where developers discover what's next icon

daily.dev | Where developers discover what's next

Daily Dev Ltd.

Developer news, personalized to your stack, in every new tab. Join 400,000+ developers. Free and open source.

Installs

400K+

Rating

★ 4.8

SelectorsHub icon

SelectorsHub

Sanjay Kumar | SelectorsHub Founder

Locators Plugin to Auto Generate and Verify Playwright Locators, XPath & CSS Selectors.

Installs

400K+

Rating

★ 4.8