Markdown is a lightweight markup language with plain text formatting syntax designed so that it can be converted to HTML and many other formats.

Who created Markdown?

Markdown was created in 2004 by John Gruber with substantial contributions from Aaron Swartz.

Is the generated HTML semantic?

Yes, it outputs standard semantic HTML5 tags including through , , , , , and .

Absolutely! It supports standard CommonMark and GitHub Flavored Markdown (GFM) conventions.

Write or paste standard Markdown syntax into the left input editor.

View the generated semantic HTML code in the right box.

Review the live rendered HTML document styling below the editor.

Click "Copy HTML" to paste directly into your CMS, blog, or project.

Supports headers, bold, italics, code blocks, lists, and links

Real-time live HTML rendering preview

Clean semantic HTML markup output

No server uploads — 100% private

One-click copy to clipboard

Use triple backticks (```) for multi-line code blocks and single backticks (`) for inline code.
Markdown is ideal for authoring README files, documentation, and blog articles.

Encode and decode HTML special characters and entities to prevent XSS and rendering bugs.

Count words, characters, sentences, paragraphs, and estimate reading time online.

Convert text to UPPERCASE, lowercase, Title Case, camelCase, snake_case, and kebab-case.