W3c Validator

Web Link Validator is a complete solution for analyzing your site, correcting errors and checking for dead links. More than just a link checker, this software can also check for spelling errors and other issues with your site. For maximum versatility, the link checker also works with Flash...

CSE HTML Validator Professional is a fast, powerful, highly user configurable, and easy to use professional web development tool that helps you create syntactically correct and accessible HTML, XHTML, and CSS documents. You'll be surprised how many problems exist in your web documents (especially...

CSE HTML Validator Lite is a fast, easy to use, and FREE HTML & CSS development tool for Microsoft Windows that helps you create problem-free HTML (including HTML5 and CSS3) and XHTML documents. You'll be surprised how many problems may exist in your HTML, even if it was made with a WYSIWYG...


Platforms: Windows, Windows 8, Windows 7, Windows Server

The JS Auto Form Validator is an easy-to-setup form validation script which enables you to handle the whole form validation process without writing any JavaScript code. This script allows you to specify certain form elements as "required" or "non-required" and also what specific type they have:...


Platforms: Windows, *nix, Windows 7

Data::Validator::Item is a Factory Class to validate data items. This is an attempt to create an object which will permit semi-automatic verification of a data value. SYNOPSIS use Data::Validator::Item; my $item = Data::Validator::Item->new(); #Create a new Data::Validator::Item, called...


Platforms: *nix

Structured Document Validator project implements a generalized method for validating both the structure and content of structured documents. Any data format that can be deterministically divided into tags and data is classed as a structured document. This definition applies to a wide array of...


Platforms: *nix

Validator S.A.C. (formerly Validatelet) is a stand-alone, easy to install, version of the W3C's HTML / XHTML Markup Validator for Mac OS X. Validator S.A.C. is a normal Mac OS X application. No installation is required, just put Validator S.A.C. where you need it (hard drive, flash drive, CD-R,...


Platforms: Mac

ePUB Validator is a handy utlity designed to enable you to check your ePub files. ePUB Validator is a GUI front-end for EpubCheck. You can easily validate IDPF EPUB files, without having to use the command line.


Platforms: Windows

The VAT Registration Number Validator is .NET software designed for use in eCommerce websites which require fast, accurate, reliable and automatic validation of VAT numbers supplied by customers during a checkout. The VAT Registration Number Validator confirms the validity of the supplied VAT...


Platforms: Windows

Check email addresses without actually sending an email. check MX records, smtp, syntax, mailbox ... With only one method call Email Validator.Net component will solve all your email validation problems. EmailValidator.Net is an essential component for email marketing list hygiene and to...


Platforms: Windows

PDF and Certificate Validator. Incl. offline, online and OCSP revocation checks. Incl. Check Protokol Freeware!


Platforms: Windows, Other

Unicorn is a Safari extension that examines the webpage you're on using W3C Unicorn, the W3C's validator. For quickly accessing the HTML and CSS validators, the extension adds a new button to your toolbar.


Platforms: Windows

DNSSEC Validator is an add-on for the Mozilla Firefox web browser, which allows you to check the existence and validity of DNSSEC DNS records for domain names in the address of the page currently displayed in your browser window. The result of this check is displayed using colour keys and...


Platforms: Windows

CSE HTML Validator Std/Pro is a fast, powerful, highly user configurable, and easy to use professional web development tool that checks HTML (including HTML5), XHTML, CSS (including CSS3), PHP, JavaScript, accessibility, links, and more. CSE HTML Validator can even automatically fix HTML and...


Platforms: Windows

Why use separate validation tools to check your web pages when you only need one? The Total Validator Tool performs the most important validations on your web pages: True (X)HTML validation against published W3C/ISO DTDs; accessibility validation against the W3C and US Section 508 guidelines;...


Platforms: Windows

CSE HTML Validator is a fast, powerful, highly user configurable, and easy to use professional web development tool that checks HTML (including HTML5), CSS (including CSS3), SEO, PHP, XHTML, JavaScript, accessibility, links, and more. Want better search engine rankings? CSE HTML Validator can...


Platforms: Windows, Windows 8, Windows 7, Windows Server

E-mail Validator is a simple but very powerful tool for anyone to check email address from a mailing list and determine if the emails are valid or not. Our E-mail Validator is easy to use and reliable. It can verify and clean up mailing list and avoiding Bounce-back / Undelivered emails from your...


Platforms: Windows

Email Validator Pro v1.0 is email address validator software that quickly checks email addresses from your database or text file to determine if emails are valid. Email Validator Pro is a powerful and reliable utiltity that will verify and keep your mailing list clean. Do you think making sure...


Platforms: Windows

Why use separate validation tools to check your web pages when you only need one? Total Validator performs the most important checks on your web pages through a simple to use interface. Results are presented in an easy to read format to allow you to fix problems quickly. So choose this tool for...


Platforms: Mac

This HTML, XHTML and XML validator is based on Tidy and PHP 5, and allows you to validate and automatically repair HTML, XHTML and XML. It also allows you to convert HTML documents to XHTML with a single button. You may select the option "XHTML" if you want to convert a HTML document to XHTML...


Platforms: Windows, Mac, *nix, PHP, BSD Solaris