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copy2llm-core

v0.2.0

Published

Turn a live DOM into clean Markdown.

Vulnerabilities

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  • 0Medium
  • 0Low

Links

Git

Maintainers

vladarbatovvladarbatov

Keywords

markdownllmcopy-to-llmextractreadabilityturndownchatgptclaudehtml-to-markdown

Readme

copy2llm-core

The extraction engine behind copy2llm — turns a live DOM into clean Markdown. Pure and framework-agnostic: DOM in, Markdown out, no UI, no network.

npm i copy2llm-core
import { extract } from "copy2llm-core";

const { markdown, title, url } = extract(document, {
  content: "main",  // optional CSS selector for the content root; defaults to auto-detect
  header: true,     // prepend "# {title}\n\n> Source: {url}" (default true)
});
interface ExtractResult { markdown: string; title: string; url: string }

How it works

Runs on a clone of the page (never mutates the input document):

  1. Pick the content root — author selector → Readability auto-detect → <main>/<article>/<body> fallback.
  2. Promote lazy images (data-src/srcset → src), normalize ragged tables, absolutize relative URLs.
  3. Convert HTML → Markdown via Turndown + GFM, with token-bomb guards (giant data: URIs) and fence-aware whitespace cleanup.
  4. Prepend the title + source header.

License

MIT