The WordPress Plugin Slug Checker is a free developer tool that validates plugin slugs against WordPress.org requirements in real-time. It checks for proper formatting (lowercase letters, numbers, and hyphens only), repository availability, trademark conflicts, and common naming issues. Perfect for plugin developers who want to ensure their slug meets all WordPress.org guidelines before submission. Built by WPRuby's development team to help WordPress developers work more efficiently. Check out our other developer tools and resources at WPRuby.com.