Table of Contents Builder

Paste your article HTML or Markdown and get a clean, nested TOC with anchor links. Copy the HTML.

<button id="tocBuild" type="button" style="padding:10px 12px;border-radius:10px;border:1px solid #e6eaf2;background:#f8fafc;cursor:pointer">Build TOC</button>
    <button id="tocCopy"  type="button" style="padding:10px 12px;border-radius:10px;border:1px solid #e6eaf2;background:#fff;cursor:pointer">Copy HTML</button>
  </div>

<div id="tocToast" role="status" aria-live="polite" aria-atomic="true"
       style="position:absolute;right:16px;bottom:16px;display:none;padding:10px 12px;border-radius:10px;background:rgba(34,197,94,.12);border:1px solid rgba(34,197,94,.4);color:#065f46;font-size:14px;box-shadow:0 8px 20px rgba(0,0,0,.08)">✅ Copied</div>
</section>

function slug(s){ return s.toLowerCase().normalize('NFD').replace(/[\u0300-\u036f]/g,'').replace(/[^a-z0-9\s-]/g,'').trim().replace(/\s+/g,'-'); }

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    setTimeout(()=>{ toast.style.transition='opacity .35s'; toast.style.opacity='0'; setTimeout(()=>{ toast.style.display='none'; toast.style.transition=''; },380); },1100); }

buildBtn.addEventListener('click', build);
  copyBtn.addEventListener('click', copyHTML);
})();
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