Heading Visualizer

Highlight and list all H1, H2, H3 headings on any webpage.

Heading Visualizer Instantly see all headings on any webpage — clean, structured, and highlighted. Heading Visualizer helps writers, SEOs, and developers understand a page’s content structure at a glance by detecting and highlighting all heading elements. ✨ Key Features Highlight all headings: Automatically highlight every H1, H2, H3 on the current webpage. Structured outline panel: View a clean, collapsible list of all headings in order. SEO-friendly insight: Quickly spot missing, duplicated, or poorly structured headings. Lightweight & fast: Zero configuration — works instantly after install. 🎯 Perfect For SEO specialists Content writers & editors Web developers UX writers Anyone analyzing webpage structure 💡 Why It’s Useful Improve SEO, content flow, and readability by understanding the heading hierarchy in seconds — without digging into HTML.