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CSS HTML Validator
installation with Wine
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Understanding Wine Using Wine CSS HTML Validator
CSS HTML Validator
installation with Wine
About Contact

Why CSS HTML Validator?

CSS HTML ValidatorNew Window Icon is a powerful Windows application that runs on Linux and OS X using WineNew Window Icon and offers important features beyond other HTML editors and syntax checkers, making it a truly unique product.

CSS HTML Validator Editions

Standard Edition

Web page editor with integrated one-click syntax checking

Syntax checking includes HTML, HTML5, XHTML, CSS, CSS3, JavaScript, PHP, JSON

JavaScript Linter

Link checking

Verification of accessibility compliance per Web Content Accessibility Guidelines (WCAG)New Window Icon and US Access Board Section 508New Window Icon Read an article in WIRED about accessibility complianceNew Window Icon. Watch CSS HTML Validator 1m 20s Accessibility Compliance videoNew Window Icon

Professional Edition adds

Batch Wizard for processing of multiple files or folders or complete web sites, either local or online

Selection of tools to apply during batch processing (validation report, link check remove tags, HTML Tidy, other)

Customize the validator messages

Add your own messages, including new tags and attributes

Customize with your own user functions using TNPLNew Window Icon

Output validation messages in XML format

Enerprise Edition further adds

Batch Wizard enhancements

Extra TNPLNew Window Icon functionality

Priority support & maintenanceNew Window Icon

Read On for More About the Editor, Syntax Checker, Support, and Pricing

More Features, all editions

Editor and syntax checker

Continuously updated in response to evolving standards

Tabbed windows, scratch pads, drag and drop files into editor window, spell checking, clipboard copy and paste

Tips and recommendations for error correction, best practices, search engine optimization

Mobile (Android/iOS) messages

Purely local syntax checking is fast and keeps code private

Open online web pages for editing

HTML end tag auto insertion, menu insertion of HTML tags and special characters

Dynamic Help with F1 key (context-sensitive HTML tag information)

Audible warnings and confirmations

Pretty Print and Fix

Printing and Print Preview

Disable messages you do not want

Monitor clipboard for documents

Integrates with other softwareNew Window Icon

Commercial use allowed


Comprehensive online documentation and FAQ

Active online support forumNew Window Icon

Responsive email tech support

Optional priority supportNew Window Icon

Upgrade protection (free upgrade period)

Standard Edition 90 days

Professional Edition 180 days

Enterprise Edition 1 year


Buy new licensesNew Window Icon

Buy for classroom useNew Window Icon

If you are a student, non-profit organization, educational institution, or purchasing multiple licenses, then you may qualify for a significant discountNew Window Icon

Professional Edition offers a free trial period of 30 days and up to 200 validations