NexaLab Tools
Free tool

📝 Markdown Preview

Free online Markdown editor and live preview. Write GitHub-flavored Markdown and see the rendered HTML instantly, side by side. Export or copy the result.

Markdown source / Live preview

Hello, Markdown!

Type on the left, see the rendered preview on the right.

Features

  • GitHub-flavored Markdown (tables, task lists, strikethrough)
  • Live preview, no refresh needed
  • 100% in your browser — nothing is uploaded

Task list

  • Write some Markdown
  • Share the preview

Table

SyntaxResult
**bold**bold
*italic*italic
~~strike~~strike

Blockquotes look like this.

function greet(name) {
  return `Hello, ${name}!`;
}

How to use the Markdown preview

Write or paste Markdown into the left panel. The right panel renders the formatted output live, so you can check headings, lists, tables, and links before publishing.

Who uses a Markdown previewer?

Developers use it to check README files and documentation before committing. Writers use it to preview blog posts or notes written in Markdown for static site generators and note-taking apps. Anyone drafting content for GitHub, GitLab, or a wiki can use it to confirm formatting renders as expected.

Frequently asked questions

What Markdown syntax is supported?
Standard Markdown plus GitHub-flavored Markdown (GFM) extensions: tables, task lists, strikethrough, and autolinks. Headings, lists, blockquotes, code blocks, links, and images are all supported.
Is my Markdown saved or uploaded anywhere?
No. The editor and preview run entirely in your browser. Nothing you type is sent to a server or stored after you close the tab.
Can I copy the Markdown or the rendered result?
Use the 'Copy Markdown' button to copy your raw Markdown source to the clipboard. To reuse the rendered HTML, you can select and copy the preview pane directly in most browsers.
Does it support code syntax highlighting?
Code blocks are rendered in a monospace font with basic formatting. For advanced syntax highlighting in your own project, pair this preview with a highlighting library such as highlight.js or Prism.