HTML to Markdown converts arbitrary HTML — copy-pasted from a web page, exported from a CMS, or generated by rich-text editors like TinyMCE or CKEditor — into clean CommonMark Markdown. It preserves semantic structure: `<h1>` becomes `#`, `<strong>` becomes `**bold**`, `<ul><li>` becomes `- item`, `<a href>` becomes `[text](url)`, tables become GFM pipe-tables, and `<pre><code class="language-*">` becomes fenced code blocks with the correct language hint. Inline styles and presentational attributes (`style="color:red"`, `bgcolor="…"`) are dropped so the Markdown stays portable. Comments, `<script>`, `<style>`, and tracking pixels are stripped entirely. Everything runs in your browser using a DOM parser, so pasted intranet or draft content never leaves the device.
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