Does it add classes for syntax highlighting?

Fenced blocks with an info string produce a matching language- class on the element, which is what highlighters such as Prism and highlight.js look for.

Markdown to HTML Converter

Convert Markdown to HTML online with GitHub Flavored Markdown support — tables, task lists, and fenced code blocks included. Preview the rendered result instantly.

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Markdown to HTML Converter

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Markdown to HTML Converter — Frequently Asked Questions

Useful when a system needs HTML but you would rather write Markdown: pasting formatted content into an email template, filling a CMS field that stores HTML, or checking exactly what markup your Markdown produces before committing it.

GitHub Flavored Markdown. Alongside core syntax that means pipe tables, task lists, strikethrough, fenced code blocks, and automatic linking of bare URLs.

Yes. The preview toggle swaps the output pane for a rendered view in a sandboxed frame, so you can check headings and tables look right before copying the HTML.

Yes. Markdown permits inline HTML and it passes through to the output, which is how people add elements the syntax does not cover.

Fenced blocks with an info string produce a matching language- class on the <code> element, which is what highlighters such as Prism and highlight.js look for.

HTML Tools

Write markup with a live preview, then beautify it, minify it, validate the structure, or convert it to Markdown, JSX or plain text. Nothing is uploaded and nothing is stored on a server, so pasting client work or an unreleased page is not a decision you have to think about.