AnyTool
Your files never leave your device. All processing happens locally in your browser.

How do I preview markdown as HTML?

Type GitHub-flavored markdown into AnyTool's Markdown Preview and the rendered HTML appears live beside it. Export to HTML or PDF, with syntax highlighting in code blocks. Rendering happens in your browser — your content is never uploaded.

  • Live split-pane preview as you type
  • GitHub-flavored markdown: tables, task lists, code, footnotes
  • Syntax-highlighted code blocks; export to HTML or PDF
  • 100% in your browser — no upload, no signup, works offline

What is

Markdown Preview

Markdown preview renders Markdown text into formatted HTML in real time, so you can see headings, lists, tables, links, and code blocks as you write. GitHub-Flavored Markdown adds tables, task lists, and strikethrough.

Developer Tools

Related terms

GitHub-Flavored MarkdownLive PreviewHTML ExportCommonMark

How to Preview Markdown

Write Markdown and preview rendered HTML entirely in your browser.

20 secWeb browser
  1. 1

    Write markdown

    Type or paste Markdown in the editor pane.

  2. 2

    See it render

    The preview updates live with GFM formatting and code highlighting.

  3. 3

    Export

    Download as HTML or PDF, or copy the rendered HTML.

Result: Rendered HTML or a PDF

Frequently Asked Questions

Yes — it is free and renders entirely in your browser, so your document is never uploaded.

AnyTool renders Markdown locally with a fast parser and sanitizes the output, so your content stays on your device. There is no account, no cloud sync, and no AI calls — unlike editors whose sync/collab/AI features send content to servers.

Yes — tables, task lists, strikethrough, fenced code, and footnotes are supported.

The preview supports GitHub-Flavored Markdown plus syntax-highlighted code blocks, so what you see matches how it renders on GitHub and most docs sites.

Yes — export the rendered document to HTML or PDF, or copy the HTML.

PDF export uses the browser print pipeline for crisp vector text, and you can copy the rendered HTML or the raw Markdown — all generated in-browser with no server step.

Detailed Explanation

Methodology

How Markdown Preview Works

AnyTool renders Markdown to HTML in the browser with a fast GitHub-Flavored Markdown parser, supporting tables, task lists, strikethrough, fenced code, and footnotes. Rendered output is sanitized with DOMPurify before injection to prevent XSS, code blocks are syntax-highlighted, and the preview updates live with a short debounce. Export to PDF uses the browser print pipeline for crisp vector text, and HTML export inlines styles — all generated client-side with no server render step.

  • GitHub-Flavored Markdown with live split-pane preview
  • Syntax highlighting in code blocks
  • DOMPurify sanitization of rendered HTML (XSS-safe)
  • Export to HTML and PDF entirely in-browser
  • Local autosave; no upload, no account, no AI calls