CSS HTML Validator - The fast, all-in-one, HTML, CSS, Link, SEO, spelling, and accessibility checker for Windows, & htmlval for Mac and Linux
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Compare Editions of CSS HTML Validator for Windows

Version 24.01 Version 2024/v24.01 is now available.

Edition Comparison Table
Item/Feature  Home  Pro  Enterprise
Price (single license) US $69

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US $129

Try Buy

US $349 $299

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Current version 24.01 24.01 24.01
Commercial use allowed Yes Yes Yes
HTML & CSS checking / validating Yes Yes Yes
Accessibility testing (including for Section 508) Yes Yes Yes
Link checking Yes Yes Yes
Spell checking Yes Yes Yes
JavaScript linting/checking Yes Yes Yes
PHP syntax checking (requires PHP) Yes Yes Yes
Search engine messages & tips (SEO) Yes Yes Yes
Mobile (Android/iOS) messages Yes Yes Yes
HTML & CSS editing (with the integrated editor) Yes Yes Yes
Integrates with other software Yes Yes Yes
Protects your privacy and works offline (your documents aren't sent over the Internet to be checked) Yes Yes Yes
Disable messages you don't want Yes Yes Yes
Pretty print & fix Yes Yes Yes
Monitor clipboard for documents Yes Yes Yes
Helpful tips & advice to improve your site Yes Yes Yes
Batch Wizard   Yes Yes
Includes htmlval for Linux & htmlval for Mac (v23+)   Yes Yes
Add your own tags and messages   Yes Yes
Customize and create your own user functions using TNPL scripting   Yes Yes
XML message output   Yes Yes
Upgrade protection  60  90 days 180 days 1 year
Priority support & maint (PS&M) Optional Optional Included
Enhanced TNPL scripting functionality     Yes
Batch Wizard enhancements     Yes

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What Edition is Right for Me?

The below table will help you decide which edition is best for your specific needs.

Recommended Usage Table - A General Guide
Use  Home  Pro  Enterprise
Personal/Hobby Only Yes Yes  
Learning & Education Yes Yes  
Non-profit Organization Yes Yes  
Small Business Yes Yes  
Medium Business Yes Yes Yes
Government Yes Yes Yes
Large Business   Yes Yes
Want to use htmlval for Linux or htmlval for Mac (v23+) No Yes Yes
Generate Reports for Small & Medium Sites No Yes Yes
Generate Reports for Large Sites No   Yes
Best program support (PS&M) Optional Optional Included

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Major Edition Differences

The table below highlights some of the major differences between editions and provides more details in the footnotes. Minor differences are not mentioned.

Edition Comparison Table (Major Differences Only)
Item/Feature  Home  Pro  Enterprise
Price (single license) US $69

Try Buy Home

US $129

Try Buy Pro

US $349

Try Buy Ent

Batch Wizard1   Yes Yes
Configuration Editor2   Yes Yes
Customization with user functions3   Yes Yes
XML Output4   Yes Yes
Includes htmlval for Linux and htmlval for Mac (v23+)   Yes Yes
Upgrade protection5  60  90 days 180 days 1 year
Priority support & maint (PS&M) Optional Optional Included
Batch Wizard enhancements6     Yes

1The Batch Wizard lets you easily check multiple files and/or URLs. It will generate a neatly formatted HTML report with the results (view sample report). It can also check URLs and follow the links in the URLs to check an entire small to medium sized web site or part of a large one. The Batch Wizard is not included in the Home edition.

2The Configuration Editor lets you customize the validator messages, letting you change the text of many messages. You can also change the message type (for example, you can change a warning message to an error message). The Configuration Editor also lets you add your own validation messages, as well as new tags and attributes. The Configuration Editor is not included in the Home edition.

3The Pro and Enterprise editions allow you to specify a text file that contains special 'user functions' that are used during validations to customize the validation. These functions can be used to alter validation behavior and validation messages, perform additional checks, produce specialized output, and much more. Visit the TNPL section in the documentation for more information.

4The Pro and Enterprise editions can output validation messages in XML format. The Home edition cannot.

5Upgrade protection gives you a free major upgrade if a new major release becomes available within the upgrade protection period. A major upgrade is a change in version number of .1 or more, like from v21.0x to v22.0x. Upgrade pricing after the upgrade protection period can be found on the upgrade page.

6The Batch Wizard in the Enterprise edition includes limit extensions and XML output. The limit extensions increase the number of targets that can be checked at one time. This is useful for large sites with thousands or even tens of thousands of pages. Note that there is no set limit to the number of pages that the Batch Wizard can check at one time as it depends on factors like computer resources (memory), the validation options settings, and the site itself. However, using the limit extension feature in the Enterprise edition should significantly increase (vs the Pro edition) the maximum number of targets that can be checked at one time. The XML output option allows XML formatted reports in addition to HTML.

Upgrades are available to upgrade your edition by paying the difference in price.

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