Developer Tool

Markdown to HTML Converter

Instantly convert Markdown syntax into clean HTML code. View the raw HTML output or toggle the live preview.

Markdown Input

Processing...

Output

Markdown Lines

Markdown Words

HTML Lines

HTML Chars

How to use the Converter

Writing & Formatting

1 Type your standard Markdown in the left input box (using `#` for headers, `**` for bold, etc).
2 By default, the right box shows a Live Preview of how your text looks visually.
3 Toggle the top button to HTML Code to instantly see the raw valid HTML output ready for your website.

100% Client-Side Private

Like all Gopafy Developer Tools, this conversion runs locally in your browser leveraging the powerful marked.js library.

No matter what you write-private documents, company internal wikis, or blog posts-none of your data is ever transmitted to or stored on our servers.

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Markdown - Write Fast, Publish Anywhere

Markdown is the fastest way to write structured content without wrestling with heavy editors. You focus on meaning, and formatting stays clean and portable.

Developers, technical writers, and content teams use Markdown for READMEs, docs, knowledge bases, and blogs because it is version-control friendly and easy to maintain.

Converting Markdown to HTML is essential when publishing to websites, CMS platforms, and custom web apps where semantic markup and clean rendering matter.

📝 Markdown Writing Productivity Guide

Syntax First

Use headings, lists, and code fences consistently so your documents stay readable across editors and platforms.

Great for Git

Markdown diffs are human-readable, making review and collaboration easier than binary document formats.

CMS Friendly

Many CMS tools support Markdown directly or via plugins, reducing formatting bugs from copy-paste workflows.

Security Check

When converting user content, sanitize output HTML to prevent script injection and unsafe embedded markup.

Markdown to HTML Converter quick facts

Supports:

GitHub-style Markdown, including tables and line breaks

Output:

Clean HTML to copy or download, with a live preview

Safety:

The preview is sanitised so pasted scripts do not run

How to use the Markdown to HTML Converter

Type or paste Markdown.
Switch between preview and HTML code.
Copy or download the HTML.

What it supports

Headings, emphasis, lists, links, images, code blocks, blockquotes, tables and line breaks, following GitHub-flavoured Markdown.

Safe preview

The live preview is sanitised, so scripts and event handlers in pasted Markdown are removed. The HTML you copy is exactly what the converter produced, so review it before putting it on a site.

When to use it

Drafting blog posts, README files and documentation, or turning notes into HTML for a CMS.

Frequently asked questions about the Markdown to HTML Converter

What is Markdown?

Markdown is a lightweight markup language that uses plain text formatting syntax to create structured documents that can be easily converted to HTML.

Does this tool support all Markdown syntax?

It supports standard Markdown, including headings, bold and italic text, links, images, code blocks, tables, lists, blockquotes and horizontal rules, in the GitHub-flavoured style. Unusual extensions from other Markdown flavours may not be recognised.

Can I preview the HTML output?

Yes. Toggle between Live Preview mode (rendered HTML) and Raw HTML mode (source code) to see exactly how your Markdown will look.

Is my data safe?

Yes. The conversion runs in your browser, and your text is not sent to or stored on our servers. The live preview is also cleaned with a sanitiser, so scripts in pasted Markdown do not run, although the copied HTML is shown exactly as generated.

Is this tool free?

Yes. The Markdown to HTML Converter is free to use with no sign-up and no limit on use. It converts your text in your browser and shows a live preview next to the HTML code you can copy or download.

When should I use Markdown instead of raw HTML?

Use Markdown when you want to write quickly and keep the source readable, such as for documentation, notes and blog posts. Use raw HTML when you need advanced layouts, custom attributes or interactive elements that Markdown cannot express.

Are all Markdown flavors identical?

No. CommonMark, GitHub Flavored Markdown and other variants differ in details such as tables, task lists and how line breaks behave. If your Markdown renders differently on another site, check which flavour that site uses.

Can converted HTML be pasted directly into a CMS?

Usually yes, but some CMS editors strip or change certain tags for safety. Paste the HTML into the code or HTML view, then preview the page and check that headings, lists, code blocks and links all appear as you expect.

How should code blocks be written in Markdown?

Use fenced code blocks: three backticks on a line, an optional language name such as js or php, your code, and three backticks to close. The language hint lets sites that support highlighting colour the code correctly.

Can I convert HTML back to Markdown?

Yes, with a reverse converter, but complex nested layouts may not map cleanly back to Markdown. This tool converts Markdown to HTML only, so keep your original Markdown as the source of truth rather than relying on a round trip.

Does Markdown support tables and checklists?

Most modern flavours do, especially GitHub Flavored Markdown, which supports tables, task lists with checkboxes and strikethrough. This converter uses that style, so a table written with pipes and dashes becomes a real HTML table.

Is Markdown suitable for long-form documentation?

Yes. Markdown scales well for documentation, especially with a static site generator that adds navigation and search. Plain text files are easy to version, review and edit as a team, which is why many developer docs use it.

Is the preview safe?

Yes. The live preview is sanitised, so scripts and event handlers are removed. The copied HTML is exactly what the converter produced.

Free, no sign-up. Reviewed 15 October 2026 by the Gopafy team. See all free tools.