HTML_CodeSniffer Extension is a free add-on for the Chrome browser developed by imgafish. It falls under the category of Browsers and the subcategory of Add-ons & Tools. This extension is designed to help developers ensure their HTML code meets accessibility standards.

With HTML_CodeSniffer Extension, developers can easily check their web pages for accessibility issues. The extension provides a set of rules and guidelines based on the Web Content Accessibility Guidelines (WCAG). It scans the HTML code of a webpage and generates a report highlighting any violations of the accessibility standards.

This extension is a valuable tool for web developers who want to create websites that are accessible to all users. By identifying and fixing accessibility issues, developers can ensure that their websites are inclusive and can be used by people with disabilities. HTML_CodeSniffer Extension is a useful addition to any developer's toolkit.