Convert Markdown to HTML instantly with live preview. No signup required.
This tool converts Markdown to HTML in real time. Try editing this text!
You can write bold, italic, and bold italic text easily.
Visit GitHub for code hosting.
Inline code: const x = 42;
function greet(name) {
return Hello, ${name}!;
}
"The best way to predict the future is to invent it." — Alan Kay
| Feature | Status |
|---|---|
| Headings | Done |
| Bold / Italic | Done |
| Code blocks | Done |
Built with a regex-based parser — no external libraries!
Type or paste your Markdown in the left panel and instantly see the converted HTML on the right. Toggle between a rendered Preview and the raw HTML Source code.
Supported syntax includes headings, bold, italic, links, images, code blocks, inline code, unordered lists, blockquotes, tables, and horizontal rules. The conversion happens entirely in your browser — nothing is sent to a server.
Use the Copy HTML button to copy the raw HTML, Copy Text to copy the plain-text content, or Download .html to save a complete HTML file with basic styling.
Markdown to HTML is a live, browser-based converter that turns Markdown syntax into clean, standards-compliant HTML as you type. Paste or write Markdown in the left editor and the rendered HTML markup appears instantly on the right, covering headings, bold and italic emphasis, ordered and unordered lists, links, images, blockquotes, tables, inline code, and fenced code blocks.
It is built for developers, technical writers, and content creators who draft in Markdown but need real HTML output for a CMS, a static site, an email template, or a README preview. Because everything runs in your browser, you can convert documentation or blog drafts without pasting sensitive text into a server.
Markdown is a lightweight markup language created by John Gruber in 2004 that uses plain-text symbols to represent formatting. A converter parses that text against a defined syntax and emits the equivalent HTML elements: a line beginning with # becomes an <h1>, ## becomes <h2>, text wrapped in **double asterisks** becomes <strong>, a single *asterisk* or _underscore_ becomes <em>, and lines starting with - or * become <li> items inside a <ul>.
The conversion happens in two phases. First a block-level pass identifies structural elements such as paragraphs, headings, blockquotes (lines starting with >), fenced code blocks (delimited by triple backticks), and tables built with pipe characters. Then an inline pass handles spans within those blocks: links written as [label](https://example.com), images as , and inline code wrapped in single backticks that render as <code>.
This tool follows the widely used CommonMark and GitHub Flavored Markdown conventions, so features like task lists, fenced code, and pipe tables behave the same way they do on GitHub. All parsing runs client-side in JavaScript, meaning the HTML is generated locally in your browser without a network round trip.
Yes, it is completely free to use with no sign-up. The conversion runs entirely in your browser using JavaScript, so your Markdown text is never uploaded to or stored on a server.
It supports standard CommonMark syntax plus common GitHub Flavored Markdown extensions such as tables, fenced code blocks, task lists, and strikethrough using double tildes.
Yes. Pipe-delimited tables with a header separator row (using dashes and pipes) are converted into proper <table>, <thead>, and <tbody> markup.
No. The tool produces semantic, unstyled HTML elements like <h1>, <p>, and <ul> so you can apply your own stylesheet or CMS styling without fighting inline formatting.
Paste your Markdown, copy the generated HTML from the output pane, and paste it into your CMS, static site generator template, or HTML file. The markup is clean and ready to embed.
Depending on the sanitization settings, embedded HTML may be escaped and displayed literally to keep output safe. Use pure Markdown syntax for reliable, predictable conversion.
There is no fixed server limit since everything runs locally, but very large documents (many thousands of lines) may render more slowly depending on your device's browser performance.