Schema App Highlighter Extension

The world’s first complete visual schema markup highlighter.

Schema App Highlighter: The Fastest Way to Author Schema Markup at Scale The Schema App Highlighter is part of Schema App’s scalable, enterprise-grade Schema Markup Solution. The Schema App Highlighter is a Google Extension to help you author semantic schema markup. When connected with Schema App’s platform, it enables Enterprises to create, edit, and deploy Schema Markup at scale to any website, on any CMS—without relying on IT—so you can achieve search visibility faster. The Highlighter has built-in recommendations to help you author Schema Markup accurately and efficiently, aligned with Google and Schema App’s best practices, with the goal to future-proof your digital presence for AI search and the agentic web. Key Features - Implement and Manage Markup at Scale: Create templates for similar page layouts and apply Schema Markup across them. Markup automatically updates as content changes, preventing Schema Drift. - Automate Entity Linking on Your Web Page: Automatically identify and connect named entities to internal or external sources, embedding them directly into your markup to build a reusable content knowledge graph that boosts authority, discoverability, and clarity. - Access the Full Schema.org Vocabulary: Use any schema class, property, or pending term with automatic updates within 24 hours of new Schema.org releases. - Rich Result Guidance: See Google’s required and recommended properties directly in the tool, with automated validation to reduce errors and ensure rich result eligibility. - Full JSON-LD Preview: Review complete Schema Markup—including linked entities—before deployment to simplify QA and accelerate implementation. - Faster Time to Value: Apply validated Schema Markup instantly on live or staging pages without rendering issues or engineering dependencies. Schema App’s Enterprise solution scales across any website or content type, ensuring speed, security, and measurable ROI through expert support and continuous innovation. The Schema App Highlighter extension is available to Schema App Enterprise customers as part of our end-to-end Schema Markup solution. Eligible users can log in through the extension to start creating templates and marking up pages directly in their browser.