About CSS HTML Validator

CSS HTML Validator for Windows is a fast, powerful, highly user configurable, and easy to use professional web development tool that checks HTML, CSS, accessibility, SEO, PHP, XHTML, JavaScript, links, and more.

The latest version of CSS HTML Validator includes updated HTML5 & CSS support, accessibility checking (including WAI-ARIA and WCAG 2.1), SEO support, mobile development support, PHP and JavaScript checking, link checking, spell checking, and an integrated editor.

A powerful Batch Wizard in the Pro and Enterprise editions lets you easily validate entire websites and multiple HTML documents.


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Supported Operating System(s):

19 Reviews of CSS HTML Validator

Average User Ratings

Overall

4.79 / 5 stars

Ease-of-use

5.0

Value for money

5.0

Customer support

4.5

Functionality

5.0

Ratings Snapshot

5 stars

(15)

15

4 stars

(4)

4

3 stars

(0)

0

2 stars

(0)

0

1 stars

(0)

0

Likelihood to Recommend

Not likely

Very likely

Showing 1 - 5 of 19 results

January 2021

Rachel E. from SUNY Broome Community College

Verified Reviewer

Company Size: 501-1,000 employees

Industry: Higher Education

Time Used: More than 2 years

Review Source: Capterra


Ease-of-use

5.0

Value for money

5.0

Customer support

5.0

Functionality

5.0

January 2021

A Validation Multi-tool!

I started with the free version in the late 1990s and upgraded to the Pro version later on when I taught Web design regularly. I continue to recommend it to my students when I find out they are doing any kind of webpage development. I use it to batch validate student websites. I share the generated reports with their grading rubric so they not only know what they did wrong, but how to fix it.

Pros

Easy for novice users. Highly customizable for expert users. Editor and validators are customizable. Excellent technical support. Validates within the editor. Has a batch mode that generates validation information, explanations, and ways to fix code that can be shared with other developers. Intuitive interface. Stays current with published standards. Can clean up code.

Cons

It would be nice to have a code completion feature similar to Visual Studio or Notepad++.

June 2019

David from Le Moyne College

Company Size: 51-200 employees

Industry: Higher Education

Time Used: More than 2 years

Review Source: Capterra


Ease-of-use

5.0

Value for money

5.0

Customer support

5.0

Functionality

5.0

June 2019

An indispensable tool for production and learning environments

Based on more than two decades using CSS HTML Validator under Windows and, more recently, under Linux, I recommend it highly, not only to anyone learning web development, but also to experienced developers who pride themselves on clean, standard-compliant code, or whose code is subject to the accessibility requirements of WCAG and Section 508, or who need advanced capabilities for website monitoring. A test run of CSS HTML Validator is possible by taking advantage of the free trial offer.

Pros

In the mid-1990s, I found CSE HTML Validator’s tight integration of syntax checking with an HTML editor very effective, and its recommendations for fixes and best practices were very much like having a mentor. In the following years, CSE HTML Validator evolved into CSS HTML Validator, and its syntax checking and mentoring stayed up-to-date with evolving standards for web development. Throughout this period, I continued to rely on it because of the enormous convenience of its integration of syntax checking with editing HTML, CSS, JavaScript, and PHP. Some syntax checkers require code to be uploaded to an online service, but CSS HTML Validator’s syntax checking is purely local. That means code is kept private, and syntax checking is fast. While the Standard edition is targeted to working with individual web pages, the Professional and Enterprise editions include a batch processor for monitoring and maintaining entire websites. Using the batch processor, I am able to subject a website to an exhaustive analysis, including syntax checking, validation of links, and recommendations for best practices. It can also check WCAG and Section 508 accessibility requirements. CSS HTML Validator may be a Windows application, but I have found that it executes flawlessly on Linux machines using Wine, which enabled me to continue relying on it when I switched from Windows to Linux. A complete technical evaluation of CSS HTML Validator is available on the WineHQ Wine Application Database.

Cons

Because CSS HTML Validator lacks a builtin FTP client, it cannot directly upload web pages to a web site.

July 2019

Anonymous

Verified Reviewer

Company Size: 11-50 employees

Time Used: Less than 12 months

Review Source: Capterra


Ease-of-use

3.0

Value for money

4.0

Customer support

4.0

Functionality

4.0

July 2019

Great for webmasters

Pros

I think this software is great. The pro version is the best because it analyzing the entire website and not just individual pages. I’ve used google webmaster tools but I prefer CSS HTML Validator because it really fine tunes the code mistakes i typical mess up on. There’s no builtin FTP client, Which is a bummer but overall it still allows me to clean up errors and make my code on the sites load faster across windows and Linux.

Cons

Besides no FTP, I havnt had any cons about the software.

May 2021

Paul from NA

Company Size: 1 employee

Industry: Individual & Family Services

Time Used: More than 2 years

Review Source: Capterra


Ease-of-use

5.0

Value for money

5.0

Customer support

5.0

Functionality

5.0

May 2021

CSS HTML Validator - Awesome Software

Been using it for years to create web pages. Easy to use, but occasionally the error message or suggested correction is hard to understand. When that happens, just post on their support forum. You typically get an answer the next days or sometimes an additional day later. I've yet not to been able to solve an HTML error.

Pros

Easy to use. It checks your HTML to ensure it is correct - regardless of which version of HTML you are writing for. If your HTML needs correction, it provides suggested corrections.

Cons

Nothing. This software is great. Never had any problems with it. I am using the paid Professional version, but the cost - to me - is not of concern if I want to write HTML pages that are correct and above all: Work!

May 2019

Thomas from BMT Systems, Inc.

Company Size: 1 employee

Industry: Information Technology and Services

Time Used: Less than 2 years

Review Source: Capterra


Ease-of-use

5.0

Value for money

5.0

Customer support

5.0

Functionality

5.0

May 2019

A must-have for web developers

It's helped me write robust HTML and CSS, and it's helped me learn the reason why certain things should be structured in the way that allows validation.

Pros

The CSS HTML Validator provides a better analysis of HTML than what is provided by the W3C: the Validator provides clear and detailed information not only of the cause of what problems it discovers, but helpful suggestions on how to solve those problems. It then goes beyond that to provide suggestions on what might be done to strengthen the HTML beyond a mere validation fix, including information on accessibility, cross-browser compatibility, and the like. There's also the added bonus of an online forum where questions may be posted, and the author of the software has always been quick to respond to queries, and he has been equally open to suggestions of new features (e.g., when I've discovered quirks of HTML composition that result from the use of certain JavaScript frameworks, the author has worked to ensure that the Validator responds to those quirks with appropriate validations and suggestions for usage). I recommend the Validator highly to everyone who wants to ensure that their HTML and CSS are rock-solid, and therefore a strong foundation for their application and its use.

Cons

If I could choose the default sound that is issued at the end of validation (a triumphant "ta-da!" when everything checks out, a single low "beep" when there's a problem), I'd probably want that. But the program is so highly configurable that there's probably a setting for changing those sounds that I haven't investigated yet. :-)

Response from AI Internet Solutions

Replied June 2019

Thank you Thomas! I'm glad that you have found the program very useful. There are sound settings in the Validator Engine Options where you can turn off or change the sounds that play after a validation.