TotalValidatorPro 7.1.0 for Mac could be downloaded from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. This Mac app was originally developed by Total Validator.
The following version: 7.1 is the most frequently downloaded one by the program users. The software lies within Developer Tools, more precisely Webmaster Tools. The most frequent installer filenames for the program include: total_validator.dmg and Total Validator.dmg etc. Please check the Mac app with an antivirus before launch as it is downloaded from the developer's website, and we cannot ensure that it is safe.
From the developer:
TotalValidatorPro is an application that works as 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 web pages. For many more great features, including validating an entire site in one go and CSS validation, the Pro version is available.
You may want to check out more Mac applications, such as QuickMenu, Image2Web or Vista Editor, which might be similar to TotalValidatorPro.