HTML Validator

Add HTML Validator in Developer Tools

What is HTML Validator?

'HTML Validator' is a Chrome extension based on HTML Tidy algorithm originally developed by W3C. It enables validation of your HTML codes right inside the developer tools of your Chrome browser. It identifies HTML errors and categorizes them for easy resolution. With the 'Clean up' feature, it can even offer a version of your HTML page free from errors. All these tasks are performed locally, ensuring your HTML codes are not sent to any third-party server.

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Stats

By: https://gueury.com

View on Chrome Web Store

Users: 40,000+

Rating: 3.46 (35)

Version: 0.9.9.8 (Last updated: 2022-12-28)

Creation date: 2018-05-28

Risk impact: High risk impact

Risk likelihood: Very low risk likelihood

Manifest version: 3

Permissions:

storage
activeTab
clipboardWrite
webNavigation
scripting

Host permissions:

<all_urls>

Size: 2.62M

Email: mg*****@skynet.be

URLs: Website

Stats date:

Chrome-Stats Rank

# 4578 ▼ 46

Other rankings

#539 in Developer Tools ▼ 1

#1 in html keyword 40 ▲ 1

#37 in error keyword 21

#44 in algorithm keyword 1 ▲ 2

#82 in developer tools keyword 75 ▼ 7

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Other platforms

Not available on Firefox

Not available on Edge

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Summary

Analyze keywords

This is the of HTML Validator extension for Chrome Manifest V3. It checks the code, syntax, of your HTML 5 pages.

HTML Validator for Chrome is a browser extension that adds HTML validation inside Developer Tools of Chrome. The number of errors of a HTML page is seen with an icon in the browser status bar. The details is seen in the developer tools.

The extension is based on HTML Tidy. The algorithm was originally developed by the Web Consortium W3C. The algorithm is embedded inside your browser and makes the validation locally on your machine, without sending HTML to a third party server.

HTML Tidy is a helpful program that tries to help people to correct their HTML errors. It finds HTML errors and classifies them in 3 categories:

errors: HTML errors that Tidy cannot fix or understand.
warnings: HTML errors that Tidy can fix automatically
(optional) accessibility warnings: HTML warnings for the 3 priority levels defined in W3c WAI

There is also an automatic "Clean up" button that will do his best to propose you a cleaned version of your page, without errors.

For any question, mail me at [email protected] or log a bug in:

https://gitlab.com/mgueury/html_validator/issues

User reviews

User reviews summary

These summaries are automatically generated weekly using AI based on recent user reviews. Chrome Web Store does not verify user reviews, so some user reviews may be inaccurate, spammy, or outdated.

Pros

Ability to see source directly from validator tab in dev tools
Integrates into the developer window
Provides way to filter out certain warnings

Cons

Not fully HTML5 compliant
Doesn't update page URL after clicking link
Requires accessing through Developer Tools
Tendency to crash
Provides false errors

Most mentioned

Developer Tools integration
Reliability issues
Faulty error reporting

Recent reviews

Pretty decent, but it doesn't seem to be fully HTML5 compliant. It didn't like me using "checked" instead of checked="checked", both of which are valid for HTML5.

Carmody Staff, 2022-12-22

Не работает с первого раза, куча раз подгружать надо. Ужас.

Віталій Мосейчук, 2022-11-10

Does the job but doesn't update the page URL after clicking a link... makes it unusable

Deloo, 2022-04-25

View all user reviews

Safety

Risk impact

HTML Validator is risky to use as it requires a number of sensitive permissions that can potentially harm your browser and steal your data. Exercise caution when installing this extension. Review carefully before installing. We recommend that you only install HTML Validator if you trust the publisher.