ZenovayTools

Markdown to HTML Converter

Convert Markdown to HTML with live preview. Supports headers, bold, italic, links, code blocks, lists, and more.

How to Use Markdown to HTML Converter

  1. 1Type or paste your Markdown content into the left editor pane.
  2. 2View the rendered HTML preview updating in real time on the right.
  3. 3Toggle between preview mode and raw HTML output.
  4. 4Copy the generated HTML code or download it as an .html file.
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Frequently Asked Questions

What is Markdown?▾
Markdown is a lightweight markup language created by John Gruber in 2004. It uses plain-text formatting syntax that converts to HTML. The goal: "readable as-is but also convertable to HTML". Markdown is used in GitHub README files, Jupyter notebooks, static site generators (Jekyll, Hugo, Gatsby), documentation tools (Docusaurus, MkDocs), note-taking apps (Obsidian, Notion), forum software (Reddit, Stack Overflow), and messaging platforms (Slack, Discord).
What Markdown features are supported?▾
This tool supports: headings (# through ######), bold (**text**), italic (*text*), strikethrough (~~text~~), inline code (`code`), fenced code blocks (```), blockquotes (>), unordered lists (- item), ordered lists (1. item), horizontal rules (---), links ([text](url)), images (![alt](url)), and tables (|col|col|). GFM (GitHub Flavored Markdown) extensions like task lists and footnotes are not included.
What is CommonMark?▾
CommonMark is a strongly defined, highly compatible specification for Markdown, created in 2014. Original Markdown had ambiguous edge cases; CommonMark resolves them. GitHub, Stack Overflow, GitLab, and many other platforms use CommonMark as their base. GFM (GitHub Flavored Markdown) extends CommonMark with tables, task lists, strikethrough, and autolinks. Tools like marked.js, markdown-it, and pandoc implement the CommonMark spec.
How do I add Markdown rendering to my website?▾
JavaScript libraries: marked.js (fast, small), markdown-it (CommonMark compliant, extensible), showdown.js. React: react-markdown with rehype-highlight for syntax highlighting. Static site generators handle Markdown natively. For security, always sanitize HTML output — Markdown can contain raw HTML which may include XSS. Use DOMPurify or the allowedTags option in your Markdown library to prevent XSS.
Why does my Markdown table not render?▾
Tables require the header separator row (|---|---|). Minimum format: |Header1|Header2|\n|---|---|\n|Cell1|Cell2|. The separator row must have at least one dash per column. Column alignment: |:---| left-align, |---:| right-align, |:---:| center. Tables are a GFM extension — not supported in all parsers. Also ensure there are no leading/trailing spaces inside cells that might confuse the parser.