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Markdown to HTML Converter

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Markdown to HTML Converter — Live Preview Online

Convert Markdown to clean HTML instantly — live preview included.
Markdown Input
915 characters · 44 lines
Rendered Preview

Hello, World!

This is a Markdown to HTML converter.

Features

  • Converts headings, bold, italic
  • Supports inline code and code blocks
  • Renders links and lists
  • Supports Mermaid Diagrams live rendering

Mermaid Flowchart Example

flowchart TD Start([Start]) --> Check{Is Markdown?} Check -- Yes --> Parse[Parse to HTML] Check -- No --> Output[Output Plain Text] Parse --> Render[Render Live Preview] Output --> Render Render --> End([End])

Table Example

Feature Description Status
Headings Standard H1-H6 tags ✅
Code Blocks Code syntax formatting ✅
Tables Beautiful, clean, responsive ✅

Code Example

const greeting = "Hello, World!";
console.log(greeting);

Blockquotes are supported too!


Italic text and bold text work seamlessly.

Supports headings, bold, italic, links, images, code blocks, blockquotes, and lists. All processing happens in your browser — your content never leaves your device.
Was this tool helpful?Your feedback helps us make TinyTools better

Quick Start Instructions

Paste CommonMark-compatible Markdown into the left panel and see the rendered HTML live on the right. Copy either the rendered output or the raw source tags.

  1. 1Type or paste your Markdown syntax into the left editor.
  2. 2Watch the live formatted HTML preview update automatically on the right.
  3. 3Review the generated raw HTML tags source code.
  4. 4Copy the HTML code or save it as an .html file.
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Frequently Asked Questions

Which Markdown flavor does this converter support?

It supports GitHub Flavored Markdown, including tables and task lists.

Can I include custom CSS classes in the generated HTML?

Yes, via HTML wrapper options.

Does the tool support rendering syntax-highlighted code blocks?

Yes, full language parsing support is integrated.

Can I copy the rich text preview directly into Google Docs or Word?

Yes, rich text clipboard copy is natively supported.

Are embedded images hosted by the converter?

No, images must use external absolute URLs.

Detailed Guide & Overview

What is Markdown and Why Developers Love It

Markdown is a lightweight markup language created by John Gruber in 2004. It uses simple, readable plain-text syntax — like # for headings, **bold** for bold text, and - item for bullet points — to describe formatted document structure. Markdown files are human-readable in their raw form (unlike HTML which is cluttered with tags), and can be converted to HTML, PDF, or other formats as needed. Our Markdown to HTML converter handles the transformation instantly in your browser.

Markdown Syntax Quick Reference

  • # Heading 1, ## Heading 2, ### Heading 3 — Creates h1, h2, h3 HTML elements
  • **bold text** — Renders as <strong>bold text</strong>
  • *italic text* — Renders as <em>italic text</em>
  • `inline code` — Renders as <code>inline code</code>
  • ```code block``` — Renders as a formatted <pre><code> block
  • [link text](https://url.com) — Creates a hyperlink
  • ![alt text](image.jpg) — Embeds an image
  • - item or * item — Unordered list item
  • 1. item — Ordered list item
  • > quoted text — Blockquote element
  • --- (three dashes) — Horizontal rule / divider

Where Markdown is Used

Markdown has become the standard writing format across software development and content creation:

  • GitHub README files: Every GitHub repository's README.md is written in Markdown — the most visible use of the format in the world.
  • Static site generators: Hugo, Jekyll, and Gatsby use Markdown for blog posts and documentation.
  • Documentation platforms: GitBook, Notion, Confluence, and Obsidian all support Markdown.
  • Blog platforms: Ghost, Hashnode, and Dev.to accept Markdown for posts.
  • Discord and Slack: Both platforms support a subset of Markdown for formatting chat messages.
  • Stack Overflow: Questions and answers are written in Markdown.
  • WhatsApp: WhatsApp supports limited Markdown: *bold*, _italic_, ~strikethrough~.

Converting Markdown to HTML for Web Publishing

When you write content in Markdown and need to publish it as a web page, you need to convert it to HTML first. Our converter transforms your Markdown instantly, giving you clean HTML output that you can paste directly into a website's source code, CMS, or email template. The generated HTML uses semantic elements (h1–h6, p, ul, ol, blockquote) that are both accessible and SEO-friendly.

Common Markdown Variations (Flavors)

The original Markdown specification has spawned several extended variants. GitHub Flavored Markdown (GFM) adds tables, task lists, strikethrough, and code syntax highlighting. CommonMark is a standardised, unambiguous specification. Our converter follows the most widely-used conventions, handling the common syntax that works across all major platforms.

TinyToolsFast, free, and secure online tools for everyday file tasks. Your files never leave your device. All processing is done in-browser.

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