Version 21.04 Version 2021/v21.04 is now available.
OPTIONAL: Print this short Quick Start Guide to help you get started.
CSS HTML Validator for Personal, Non-commercial Use is a FREE older version that is licensed only for personal, non-commercial use. Download this free version here. Note that a newer paid version is required if you want the best and most up-to-date validation results.
After downloading, run the setup installer and answer Yes to the User Account Control prompt then follow the simple installation instructions. The setup program is digitally signed by AI Internet Solutions LLC (do not run it if it is not).
IMPORTANT: On some systems it may take 1 to 2 minutes for the User Account Control dialog to appear because the system is checking the file.
If the User Account Control dialog does not appear or you get an error message like "Error 5: Access is denied." then please try one or more of the following:
Additional dictionaries are available to support more languages.
A dictionary editing tool is also available. This tool lets you create your own custom dictionaries.