supermemoryai/markdowner
A fast tool to convert any website into LLM-ready markdown data. Built by https://supermemory.ai
What it solves
Markdowner is a tool designed to convert website content into structured, predictable markdown data, which improves the quality of responses from Large Language Models (LLMs). It provides a free, self-hostable alternative to proprietary or expensive web-to-markdown conversion services.
How it works
The tool uses Cloudflare Browser Rendering and Durable Objects to launch browser instances that fetch website content. It then converts the HTML content into markdown using the Turndown library. It also offers an optional LLM-based filter to remove unnecessary information from the extracted data.
Who it’s for
Developers building AI applications (such as RAG systems) who need a reliable way to collect clean, LLM-ready data from the web without relying on expensive proprietary tools.
Highlights
- own-hostable via Cloudflare Workers
- Converts any website to markdown with options for text or JSON responses
- Includes an auto-crawler that can fetch up to 10 subpages without requiring a sitemap
- Optional LLM filtering to clean up noise from web pages
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