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Markdown to HTML Converter

Write or paste Markdown and get clean HTML instantly — with a sanitized live preview, GitHub-flavored tables, task lists and fenced code blocks.

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Copy to Webflow pastes a new Rich Text element in the Designer (Ctrl/⌘+V on the canvas or in the Navigator). Copy as rich text pastes formatted text into an existing Rich Text element, Google Docs, Notion or an email.

The preview is always sanitized with DOMPurify. Untick “Sanitize HTML output” only if you trust the Markdown and need raw embedded HTML such as <iframe> or inline event handlers.

Tus datos nunca salen de tu ordenador. Todo se procesa localmente en tu navegador.

Cómo usar: Markdown to HTML

  1. Type, paste or open a .md file in the Markdown pane — or click Sample to see every supported element.
  2. Check the rendered result in Preview, then switch to HTML to see the generated markup.
  3. Toggle options such as GitHub-flavored Markdown, line breaks, heading IDs or a full HTML document.
  4. Click Copy HTML to paste it into your CMS or template, or Download to save an .html file.

What is a Markdown to HTML converter?

Markdown is a lightweight plain-text syntax for formatting: # for headings, **bold**, - for lists and backticks for code. Browsers can't display it directly, so it has to be turned into HTML first. This converter does that in your browser using the marked parser and shows the result side by side, which makes it handy for README files, documentation, blog posts written in Markdown, and content you need to paste into a CMS that only accepts HTML.

Supported syntax

MarkdownHTML output
## Setup<h2 id="setup">Setup</h2>
**bold**, _italic_<strong>, <em>
[link](/docs)<a href="/docs">link</a>
- [x] Done (GFM)<li><input type="checkbox" checked disabled> Done</li>
~~old~~ (GFM)<del>old</del>
```js fence<pre><code class="language-js">

GitHub-flavored Markdown (GFM) adds pipe tables with column alignment (|:---|:---:|---:|), task lists, strikethrough and automatic linking of bare URLs. Fenced code blocks keep their language as a language-* class, which syntax highlighters such as Prism or highlight.js pick up.

Is the generated HTML safe?

Markdown allows raw HTML, so a document can contain <script> tags, onerror= handlers or javascript: links. The preview is always cleaned with DOMPurify before it is shown, and by default the HTML output is sanitized the same way. If you are converting user-submitted Markdown on your own site, sanitize on the server too — client-side cleaning only protects this page.

Options explained

  • Line breaks become <br> — standard Markdown joins lines within a paragraph; GitHub comments instead treat every newline as a line break. Enable this to match comment-style behavior.
  • Heading IDs — adds GitHub-style id attributes (lowercase, hyphenated, de-duplicated with -1, -2) so you can link to #installation or build a table of contents.
  • Full HTML document — wraps the output in <!doctype html>, <head> and <body>, using the first heading as the <title>.

Tips

Leave a blank line before lists, tables and fenced code — many “why isn't this rendering?” problems come from a missing blank line. Need to go the other way? Use the HTML to Markdown converter, and tidy the result with the HTML Formatter.

También se busca como: markdown to webflow, md to html, markdown converter, markdown preview, markdown editor, gfm, github markdown, markdown renderer.

Herramientas que combinan con: Markdown to HTML

  • Markdown to Webflow Rich Text — Paste Markdown, check the preview and copy it as formatted rich text — headings, lists, links and bold text land correctly in Webflow’s Rich Text element.
  • HTML Entity Encoder — Escape < > & " so text is safe to show in HTML, convert accents and symbols to named or numeric entities, or decode entity-filled HTML back to plain text.
  • Contador de palabras — Pega o escribe tu texto para contar palabras y caracteres en tiempo real, además de calcular el tiempo de lectura y de pronunciación, la densidad de palabras clave y comprobar la longitud de los títulos SEO, las metadescripciones y las publicaciones en redes sociales.
  • Comprobador de diferencias — Pega la versión original y la modificada para ver, una al lado de la otra, las líneas añadidas, eliminadas y modificadas, con las palabras exactas que han cambiado resaltadas dentro de cada línea.

Preguntas frecuentes

Can I paste Markdown into Webflow?
Yes. Copy to Webflow turns the rendered Markdown into one Rich Text element you paste in the Designer with Ctrl/⌘+V. Copy as rich text pastes it into an existing Rich Text element, Google Docs or an email. Markdown to Webflow Rich Text has extra options such as removing the first H1.
Is my Markdown uploaded anywhere?
No. Conversion runs entirely in your browser with JavaScript; nothing is sent to a server. Your last input is only remembered in your own browser’s local storage.
Does it support GitHub-flavored Markdown?
Yes. With the GFM option on (the default) it renders pipe tables, task lists (- [ ] / - [x]), strikethrough with ~~ and auto-linked URLs, following the GFM spec used on GitHub.
Why does my line break disappear?
In standard Markdown a single newline inside a paragraph is treated as a space. End the line with two spaces or a backslash to force a <br>, or enable the “Line breaks become <br>” option.
Can I use raw HTML inside Markdown?
Yes, Markdown passes inline HTML through. Safe tags such as <details>, <kbd> or <sup> are kept; scripts, event handlers and javascript: URLs are removed unless you switch off sanitizing of the output.
Does it add syntax highlighting to code blocks?
It outputs <pre><code class="language-xyz"> for fenced blocks with a language, which is the convention highlight.js and Prism expect. Add one of those libraries to your page to color the code.
¿Puedo instalar Markdown to HTML como aplicación web y utilizarla sin conexión?
Sí. Markdown to HTML es una aplicación web instalable (PWA): se instala desde el navegador, no se descarga desde una tienda de aplicaciones. Haz clic en «Instalar aplicación» en la parte superior de esta página en Chrome o Edge (Windows, macOS, Linux, ChromeOS) o, en Android, utiliza «Compartir» → «Añadir a la pantalla de inicio» en iPhone y iPad, o «Archivo» → «Añadir al Dock» en Safari 17+ en un Mac. A continuación, se abrirá en su propia ventana con su propio icono y, como se ejecuta íntegramente en tu navegador, seguirá funcionando sin conexión. Firefox en el ordenador de sobremesa no permite instalar aplicaciones web. Cómo funciona la instalación.

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