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Validation Tool

Total Validator is an (X)HTML validator, an accessibility validator, a spell checker, and a broken links checker all rolled into one tool allowing one-click validation of your website. Download this free tool and validate your web pages today:

Windows [MD5 Checksum] [License]

OS X [MD5 Checksum] [License] How to run if OS X complains

Linux [MD5 Checksum] [License]

Requirements: The tools are Java based and so require Java 6.0 or later to be installed.

For one-click validation within your browser add one of the following browser extensions:

Firefox/Seamonkey extension [License]

Google Chrome extension [License] How to install if Chrome complains

For many more great features, including validating one or more entire sites and CSS validation, choose the Pro tool instead.

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Introduction

Since its release in 2005 Total Validator has become extremely popular with Web developers around the world. Each year millions of pages are validated using our tools. Yet each year we only receive a few emails from users with problems, showing just how reliable and accurate Total Validator is.

The Basic tool has the following main features:

The best HTML validation against the W3C Markup Standards
Accessibility validation against the WCAG (1.0 and 2.0) and the US Section 508 standards
A broken links checker
A spell checker covering English (American and British), French, Italian, Spanish, and German
One-click validation using our Browser extensions

The Pro tool provides additional features such as:

Validate an entire website, or more than one site, in one go
CSS validation against the W3C CSS Standards
Validate pages behind one or more forms, such as login forms
Select exactly what parts of your site to validate and what to avoid
Select exactly what validations to perform, by site, by page and by item

Some of the top sites in the world and many government organisations are now validated using the Pro tool, so why not join them today?

Read more about Total Validator in the tools section. or click the links to the left if you just want to know why Total Validator is better.

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Latest News

May 4th 2013 - Total Validator v8.1.0 released:

New option ignore case provides a temporary work around for sites served by IIS which (incorrectly) contain case-insensitive URLs
Added command line support for OS X for both the Pro and Embedded tools
Added trial support for client certificates
Internal performance improvements
Documentation updates
Removed locale support from Firefox extension
Added support for CSS Overflow Module Level 3
CSS Text Decoration Module Level 3 updated to 3rd January 2013
CSS Cascading and Inheritance Level 3 updated to 3rd January 2013
HTML+RDFa 1.1 updated to 7th February 2013
CSS Fonts Module Level 3 updated to 12th February 2013
CSS Transitions updated to 12th February 2013
CSS Animations updated to 19th February 2013
CSS Counter Styles Level 3 updated to 21st February 2013
CSS Paged Media Module Level 3 updated to 14th March 2013
CSS Grid Layout updated to 2nd April 2013
CSS Conditional Rules Module Level 3 updated to 4th April 2013
CSS Values and Units Module Level 3 updated to 4th April 2013
Bug Fix: The Renewal Reminder dialog was appearing too early
Bug Fix: -param command line option in properties files was being ignored
Bug Fix: The SOCKS Proxy option in the Pro tool was always ignored
Bug Fix: Missing imsages in local help

February 2nd 2013 - Total Validator v8.0.0 released:

Upgraded to Java 1.6 to provide more features and better performance
New follow local include option, and updated skip, include, depth and follow remote options to provide finer control over what parts of a website to validate and what to avoid. This also makes it easier to validate multiple sites
You can now validate websites with multiple forms
Improved Windows 8 support
Added support for the new W3C HTML 5.1 specification including XHTML and Polyglot variations
New ignore punctuation spellcheck option
New ignore code spellcheck option
Many UI layout updates and reorganising of options
Tool now shrinks to System Tray when in listen mode
The '-name' and '-value' command line options have now been replaced by a single -param option
HTML5 updated to 17th December 2012
Added support for CSS Text Decoration Module Level 3
Added support for CSS Masking
Added support for HTML Media Capture
CSS Grid Layout updated to 6th November 2012
CSS Text Module Level 3 updated to 13th November 2012
CSS Writing Modes Module Level 3 updated to 15th November 2012
CSS Fonts Module Level 3 updated to 11th December 2012
CSS Conditional Rules Module Level 3 updated to 13th December 2012
Increased the default concurrency to 100 to improve performance for people who don't read the documentation
Concurrency can now be left empty for 'unlimited'
The appropriate robots.txt is now used for every site that is validated, when validating multiple sites
Simplified and updated User Agent strings. To get the updated ones use the Reset button on the edit dialog
Improved logging on Windows 7/8
Improved 'bad comment' detection
Significant internal refactoring to improve performance and simplify finding bugs
Bug Fix: The 'Best-fit' option wasn't working properly and would always default to HTML5
Bug Fix: The updates reminder was ignoring the 'remind me in 3 months' selection
Bug Fix: The Firefox extension 'Defaults' button was not working correctly with the Pro tool

December 20th 2012 - Google Chrome extension v1.1 released:

Bug Fix: Browser cookies were not being used

November 17th 2012 - Total Validator v7.6.1 released:

Bug Fix: FF Extension had missing text for some locales
Bug Fix: Accessibility Validation failing with some <a> tags
Bug Fix: HTTP referer header being sent when shouldn't have been
Bug Fix: Deprecated HTML5 validation rule removed
Bug Fix: New link algorithm case-checking was wrong

For changes back to 2009 see the change log. For changes back to 2005 contact us directly.

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