Alternatives to The Nu Html Checker
A markup checker for finding errors in HTML, CSS, and SVG files from the command line or a service. Notes say what changes if you switch.
The original
The Nu Html Checker
A markup checker for finding errors in HTML, CSS, and SVG files from the command line or a service.
7 alternatives
Most similar to The Nu Html Checker first.
Nu Html Checker
The W3C's online checker that tests HTML documents against current HTML conformance rules.
Nu Html Checker validates HTML documents online, while The Nu Html Checker supports local and automated workflows through a CLI or self-hosting.
W3C Markup Validation Service
The W3C's free service for checking the markup of HTML and XHTML documents.
W3C Markup Validation Service checks HTML and XHTML documents against W3C specifications from the web, rather than local files or automated workflows.
W3C CSS Validation Service
The W3C's free service for checking CSS and style sheets in HTML documents.
HTMLHint
A static code analysis tool that lints HTML files for errors and best-practice problems.
HTMLProofer
A Ruby tool that tests rendered HTML files for broken links, images and markup problems.
HTML-validate
An offline HTML5 validator and linter that checks documents and component templates locally.
HTML-validate checks HTML documents and component templates offline from the command line.
idnits
A web tool and CLI that checks Internet-Draft documents for formatting and policy issues.
