Free online HTML ↔ Markdown bidirectional converter. One-click conversion for blog posts and documents.
TL;DR: Free online HTML and Markdown bidirectional converter with GFM extended syntax support. Ideal for content extraction and rendering, runs locally.
This tool runs entirely in your browser. Open DevTools → Network panel and search your input — it appears in no request.
FAQ
Completely free, no registration required. Convert between HTML and Markdown directly in your browser — all operations run locally with no usage limits.
Yes. Convert HTML to Markdown (ideal for extracting content from web pages) or Markdown to HTML (ideal for rendering output), with GFM extended syntax support.
No. All HTML and Markdown conversion runs locally in your browser. Your content is never sent to any server.
Some complex HTML (e.g., table styles, nested divs, inline styles) may be simplified when converting to Markdown, since Markdown syntax is simpler than HTML. The tool preserves semantic structure as much as possible; manual review after conversion is recommended.
Related Tools
Related Articles
Online HTML/Markdown Converter: Convert Between Document Formats
Learn how to convert between HTML and Markdown formats. Understand Markdown syntax features and applications in documentation, blog publishing, and README creation.
The Complete Guide to Table Format Conversion: Excel, CSV, JSON, Markdown, and HTML
A full walkthrough of converting between Excel, CSV, JSON, Markdown, and HTML tables: format characteristics, conversion paths, hands-on workflows, and common pitfalls — 12 free online converters in one place.
Unexpected token '<' is not valid JSON — 5 Reasons Your API Returned HTML Instead
fetch throws SyntaxError: Unexpected token '<' when the response body is HTML, not JSON. Covers the 5 root causes: SPA history fallback returning index.html, auth 302 redirects, gateway 502 error pages, wrong baseURL, and missing res.ok checks — with curl diagnostics.