HTML to Markdown Converter
Convert HTML markup into clean Markdown with table support and token reduction for LLMs
About HTML to Markdown Converter
How HTML to Markdown Converter Works
Recursively parses HTML markup nodes, transforming headings, paragraphs, ordered/unordered lists, blockquotes, inline formatting, links, images, tables, and code fences into CommonMark and GitHub Flavored Markdown syntax entirely client-side in browser memory with zero tracking.
HTML to Markdown Converter is a developer and AI engineering utility for transforming HTML markup, rich web articles, documentation pages, and scraped content into clean GitHub Flavored Markdown (GFM). It preserves semantic hierarchy—converting headers (h1-h6), bold and italic styling, code snippets, preformatted code fences with syntax language tags, blockquotes, unordered and ordered lists, nested tables, hyperlinks, and images. Designed for content creators, technical writers, and AI prompt engineers preparing context for Large Language Models (LLMs), it includes specialized cleaning options to strip scripts, styles, navigational headers, and boilerplates, reducing token consumption while preserving structural meaning.
Frequently asked questions
Why convert HTML to Markdown for LLMs and AI prompts?+
Raw HTML contains verbose closing tags, classes, and boilerplate wrapper divs that consume valuable context window tokens. Converting to Markdown compresses the document by 50% to 75% while preserving semantic document structure, headings, lists, tables, and hyperlinks that AI models excel at parsing.
How are tables handled during conversion?+
HTML <table>, <tr>, <th>, and <td> structures are cleanly transformed into standard Markdown pipe table format (| Header 1 | Header 2 |) with auto-generated alignment dashes, ensuring full compatibility with GitHub, Obsidian, and Notion.
Does this tool strip script and style tags?+
Yes. When LLM Clean Mode is enabled, script, style, noscript, nav, and footer tags and their contents are discarded, leaving only meaningful prose and documentation.
Does this tool upload my HTML or text to any server?+
No. The converter runs 100% on-device in your browser's local JavaScript runtime. Unreleased blog posts, private emails, confidential documentation, and internal web pages are never transmitted to any third-party server.
Can I convert large web pages and articles?+
Yes. The parsing engine processes thousands of lines of HTML in milliseconds directly in memory without browser freezing or memory leaks.
Limitations
Complex layout structures such as nested iframe embeds, CSS grid arrangements, or canvas elements cannot be mapped to standard Markdown and will be converted to their text representations.