CSS HTML Validator - The All-In-One HTML, XHTML, CSS, Link, SEO, and Accessibility Checker
Home Request License Key

Send My Registration Information (License Key)

important spam informationIMPORTANT SPAM INFO: If you don't get email from us then make sure email from htmlvalidator.com is accepted and check your spam/junk folder (in Gmail you may need to click 'More' to see the spam folder).

We'll search our license records for the email address that you enter below. If it's found then your license key and registration information will be immediately emailed to you (see note about spam above). If we don't have your current email address then please update your email address.

Send License Key Form
NOTE: Don't worry about case sensitivity, youremail@yourdomain.com is considered to be the same as YourEmail@YourDomain.COM.

Update Email Address