Live Markdown Editor
A split markdown editor with live HTML preview, via Marked.
Requires Bootstrap 5, Marked. Add the CDN tags below to your page (styles in
<head>, scripts before </body>). The downloaded file already includes them.<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/css/bootstrap.min.css"><script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/js/bootstrap.bundle.min.js"></script><script src="https://cdn.jsdelivr.net/npm/marked@12.0.0/marked.min.js"></script><div class="card border-0 shadow-sm" style="width:420px;max-width:100%"><div class="card-body"><div class="row g-2"><div class="col-6"><textarea class="form-control form-control-sm" id="mdIn" rows="6"># Hello
**Bold** and *italic* text.
- Item one
- Item two</textarea></div><div class="col-6"><div class="border rounded p-2 small" id="mdOut" style="height:100%;overflow:auto"></div></div></div></div></div>var inp=document.getElementById('mdIn'),out=document.getElementById('mdOut');
function render(){out.innerHTML=marked.parse(inp.value)}
inp.addEventListener('input',render);render();Free to use.This component uses Bootstrap 5, Marked (linked above). Copy any file, or download a ready-to-open .html page with the CDN links already included.