Open Source & Free Forever

From any URL to
clean Markdown

Extract and convert web content to structured Markdown. Built for RAG pipelines, knowledge bases, and AI-powered applications.

// Extract content from any webpage

const result = convert("https://docs.python.org");

// Get clean, structured Markdown output
✓ 12,450 chars | 2,340 words | Ready for your AI

Built for AI Developers

Everything you need to extract and process web content for your AI applications

bolt

Smart Content Extraction

Automatically removes ads, navigation, scripts, and noise. Keeps only the content that matters.

tune

CSS Selector Support

Target specific elements with precision. Visual selector picker makes it easy to find the right content.

data_object

Metadata Extraction

Capture titles, descriptions, Open Graph tags, and more alongside your Markdown content.

table_chart

Table Alignment

Perfectly formatted Markdown tables with consistent column widths and proper headers.

terminal

CLI & API Ready

Build pipelines with our Node.js CLI. Batch process hundreds of URLs with concurrency control.

analytics

Stats & Insights

Get character counts, word counts, and structure information for every conversion.

Try it Now

Paste a URL or HTML and convert instantly

How it Works

From URL to AI-ready content in three simple steps

1

Enter URL

Paste any webpage URL or raw HTML content into the converter

2

Select Content

Use CSS selectors to target specific sections, or let smart extraction do the work

3

Get Markdown

Copy clean, structured Markdown ready for your LLM or RAG pipeline

Use Cases

Built for developers working with AI and content

🤖

RAG Pipelines

Extract documentation and knowledge bases for retrieval-augmented generation systems

📚

Training Data

Prepare web content for fine-tuning language models with clean, consistent formatting

📖

Documentation

Convert online docs to Markdown for offline access or version-controlled storage

🔍

Content Analysis

Extract structured content for analysis, summarization, or further processing

Simple Pricing

Everything is free. No hidden costs.

Web App
Free forever

Browser-based converter with all features

  • check_circle Unlimited conversions
  • check_circle URL fetching
  • check_circle CSS selector picker
  • check_circle Metadata extraction
  • check_circle JSON export
Get Started
Open Source
Free forever

Self-host and customize

  • check_circle Full source code
  • check_circle MIT licensed
  • check_circle Self-hosted
  • check_circle No dependencies
  • check_circle Community support
View on GitHub

Powerful CLI for
Developers

Build automated pipelines with our Node.js command-line tool. Process hundreds of URLs with batch mode and concurrency control.

download Install with NPM
terminal Terminal
$ npm install -g md4llm

$ md4llm https://docs.python.org -s "#content"

# Convert with metadata as JSON
$ md4llm https://example.com --meta --format json

# Batch process URLs
$ md4llm --batch urls.txt -o ./output/