The Batch W3C Validator tool helps to identify HTML errors and check the markup validity in HTML, XHTML, or HTML5 for URLs. This efficient HTML validator tool is essential for SEO and time-saving.

With its ability to search up an unlimited number of different URLs or files quickly, you can easily see which URLs need to be fixed and improve your SEO. Furthermore, the tool allows you to save a report file for future reference.
The process is made convenient as the errors are being highlighted and listed in an editor that helps save time required to make any necessary changes. Also, the checks are being made locally, without using the W3C website, using the original W3C validator program.
Moreover, you can import a list of URLs or files to check from various file formats such as Text, Excel, CSV, or XML sitemap files or simply enter them in a textbox. This application is truly multilingual and is translated into 39 different languages.
In conclusion, the batch W3C validator tool is an excellent choice for website owners who want to ensure that their websites are free of HTML errors and updated with the latest markup validity. Overall, this software is certainly worth trying out.
Version 1.6: Initial Release.