Which Markdown flavour is this?

CommonMark's core plus the two GitHub extensions people actually use: tables and strikethrough. Task lists, footnotes and definition lists aren't supported — they're less common and each adds a chunk of parsing for the sake of a rarely-used syntax.

Why does the nested list matter?

Because a nested list has to sit *inside* the parent's ` `, not next to it. Most quick converters emit it as a sibling, which is invalid HTML. Browsers repair it silently, but validators complain, screen readers announce the structure wrongly, and CSS that targets `li > ul` stops working.

Does it handle code blocks with backticks inside?

Fenced blocks yes — everything between the fences is taken verbatim and escaped. Inline code spans are pulled out before any other rule runs, so `**not bold**` inside backticks stays literally that. A code span containing a backtick itself needs the double-backtick form, same as anywhere else.

Markdown to HTML Converter

Convert Markdown into clean HTML — headings, nested lists, tables, fenced code blocks with language classes, blockquotes, links, images and inline formatting. Raw HTML in the source is escaped by default, which is not what the Markdown spec says and is what you want any time the Markdown came from somebody else: passing it through untouched is a direct route to a script tag on your page.

Your text

Escape raw HTML in the source

Markdown allows raw HTML through untouched. Leave this on unless you wrote the Markdown yourself — it is what stops a pasted <script> tag surviving into your page.

Result

Nothing is uploaded — this tool runs inside your browser, so your files never leave your device.

Help us improve

Why use this tool

Headings, lists, nested lists, tables, code fences, quotes and rules
Nested lists are emitted inside their parent item, as valid HTML requires
Code spans and fences are never reformatted, whatever is inside them
Raw HTML is escaped by default — a deliberate departure from the spec

How it works

1Paste your Markdown.
2Leave HTML escaping on unless you wrote the Markdown yourself.
3Copy the HTML into your template or CMS.

Markdown to HTML Converter — frequently asked questions

Because the spec was written for documents you author yourself, and most Markdown that gets converted these days comes from somewhere else — a comment box, a CMS field, an API. Passing raw HTML through is how a `<script>` tag in a user's comment ends up executing on your page. Turn the toggle off for your own writing; leave it on for anyone else's.

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