Easy Age Verifier makes it easy for taprooms and bars to confirm their website visitors are of legal age. The plugin was designed to work out of the box, but can be easily customized in the settings page, as well as a series of hooks and filters.
The official WordPress Plugin for OneID® from Digital Identity Net. Allows WooCommerce store owners to verify the age of their customers before purchase.
Shows a popup with age verification options. One of the best plugin for any membership or 18+ adult sites or any sites, that requires confirmation from a visitor.