Marked.js - github
<!doctype html> <html> <head> <meta charset="utf-8"/> <title>Marked in the browser</title> </head> <body> <div id="content"></div> <script src="https://cdn.jsdelivr.net/npm/marked/marked.min.js"></script> <script> document.getElementById('content').innerHTML = marked('# Marked in the browser\n\nRendered by **marked**.'); </script> </body> </html>