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Convert Markdown to HTML (or back) with live preview. Supports CommonMark + GFM (tables, fenced code).
Utility
Generated on May 23, 2026
Convert Markdown to HTML (or back) with live preview. Supports CommonMark + GFM (tables, fenced code).
The Markdown ↔ HTML Converter renders Markdown as HTML (or extracts Markdown from HTML) with a live preview pane. Powered by marked.
Formula
CommonMark: # h1, ## h2, **bold**, *italic*, [link](url), , `inline code`, ```fenced```, > quote, - list, 1. ordered, --- hr. GFM adds: | tables |, ~~strike~~, - [ ] tasks.You wrote a README in GitHub-flavored Markdown and now you need it as HTML for the portfolio site. Or your client emailed you a Notion export full of nested divs and unreadable inline styles, and you need it back as clean Markdown so you can paste it into the CMS. Markdown won the writing format war because it's plain text you can still read with your eyes closed and converts cleanly when you can't. Live preview pane on one side, source on the other — drop your content in and watch the rendering update as you type, with tables, fenced code blocks, task lists, and strikethrough all handled by the GitHub-flavored extensions on top of CommonMark. The HTML-to-Markdown direction is best-effort because HTML can express layouts Markdown literally can't (multi-column, arbitrary CSS, custom components), so complex pages will lose styling — but the structural stuff (headings, lists, links, images, code) survives the round-trip cleanly enough for 95% of doc migrations. Useful when you're prepping a blog post, generating a README from notes, normalizing content between Slack, Notion, GitHub, and Obsidian, or just sanity-checking how a code block will render before you publish.
The Markdown ↔ HTML Converter renders Markdown as HTML (or extracts Markdown from HTML) with a live preview pane. Powered by marked.js, which implements CommonMark plus GitHub Flavored Markdown extensions: tables, fenced code blocks, autolinks, strikethrough, task lists. Useful for blog post drafting, README generation, documentation conversion, email-template prep (many email clients accept HTML but not Markdown), and migrating notes between platforms (Notion, Obsidian, GitHub, GitLab, Slack).
Convert a GitHub README to HTML for embedding on a portfolio website.
Convert Slack-formatted messages to clean Markdown for documentation.
Convert design specs from Notion (HTML export) to Markdown for engineering tickets.
Quick HTML preview while drafting a blog post in Markdown.
Convert email templates from Markdown to send-ready HTML.
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