Validity

Click the icon in the address bar or press Alt+Shift+V to validate the current page. Results can be seen in Chrome's JS console.

Validity - HTML Document Validator for Chrome

"Validity" is a handy Chrome extension that allows users to quickly validate HTML documents directly from the toolbar. By simply clicking the icon, users can validate the current document without navigating away from their page. It displays the number of validation errors in the toolbar and detailed results in the Chrome's developer tools console. Additionally, Validity provides the option for users to leverage their own installation of the W3C Validation Service for further customization and control.

Extension stats

Users: 30,000+
Rating: 3.84
(210)
Version: 4.1.0 (Last updated: 2022-11-07)
Creation date: 2016-11-11
Risk impact: Moderate risk impact
Risk likelihood:
Manifest version: 2
Permissions:
  • http://*/*
  • https://*/*
  • storage
Size: 110.59K
URLs: Website

Other platforms

Not available on Android
Not available on Firefox
Not available on Edge
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Extension summary

Validity can be used to quickly validate your HTML documents from the toolbar.

Just click the icon in the toolbar to validate the current document without leaving the page. The number of validation errors can be seen in the tool tip and the detail can be seen in the console tab of Chrome's developer tools.

Validity also gives you the option to use your own installation of the W3C Validation Service. (For more information on installing the W3C Validation Service see the documentation at http://validator.w3.org/docs/install.html).

*** PLEASE DO NOT POST BUG REPORTS AND FEATURE REQUESTS IN THE REVIEWS ON THIS PAGE as they are unlikely to be actioned, use the GitHub issue system instead (https://github.com/renyard/validity/issues). ***

Change Log:

4.1.0 (05/11/2022)

4.0.2 (12/10/2021)

  • Removed unused permission.
See more

User reviews

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 Chrome Web Store does not verify user reviews, so some user reviews may be inaccurate, spammy, or outdated.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
  • Works fantastically, speeds up validation workflow significantly
  • Useful for validating webpages that are not online yet or on a proxy
  • Excellent auto-validation feature
Cons
  • Frequently stops working or does not function at all
  • Issues with character encoding complaints despite proper declarations
  • Instructions and usage are outdated or faulty
  • Lacks options to ignore certain errors/warnings
  • Icon does not appear or work consistently
Most mentioned
  • Stopped working
  • Character encoding issues
  • Doesn't work
  • Auto validation
  • Excellent performance for local/proxy pages
User reviews
It stopped working. They must remove it from the Chrome Web Store.
by Andrés Peña, 2021-05-24

Works fantastically, speeds up my validation workflow by an order of magnitude
by Rafi Strauss, 2017-09-01

12/10 would validate again
by Stuart McMillan, 2017-07-19
View all user reviews

Extension safety

Risk impact

Validity requires a few sensitive permissions. Exercise caution before installing.

Risk likelihood

Validity has earned a good reputation and can be trusted.

Upgrade to see risk analysis details

Promo images

Validity small promo image
Small promo image

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