Check If URLs Exist (Is Valid) Software for Mac

The free website link checker for Mac Link Checking Links on a web page very quickly become broken (link rot) because we move, delete or change our own pages, and other people that we link to do the same.

Total Validator is an all-in-one application designed to validate web pages. For HTML based content, this includes W3C markup validation for single pages, associated CSS files, checking broken links and spelling.

dead.licious is a tool for verifying that all of your bookmarks in your del.icio.us accounts are still valid and gives you the option of removing or fixing those dead links.

DeepTrawl is intended for website maintenance as it can detect various types of errors. In this regard, the emphasis is placed on avoiding broken links. However, it can also find other types of problems, like spelling mistakes and heavy images.

Scrutiny 10 is an application that scrutinizes your website for link checking, HTML validation, SEO, Sitemap, and more. A number of tests are made to the HTML of each page as they are scanned, with a focus on well-formedness.

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.