llm-data-converter 2.1.1

Convert any document, text, or URL into LLM-ready data format with advanced intelligent document processing capabilities powered by pre-trained models

LLM Data Converter

Convert any document format into LLM-ready data format (markdown) with advanced intelligent document processing capabilities powered by pre-trained models.

Installation

pip install llm-data-converter

Requirements:

• Python 3.8 or higher

System Dependencies for Intelligent Document Processing

For this library to work properly, you may need to install additional system dependencies:

Ubuntu/Debian:

sudo apt update
sudo apt install -y libgl1 libglib2.0-0 libgomp1
pip install setuptools

macOS:

# Usually not needed, but if you encounter OpenGL issues:
brew install mesa

Note: The package will automatically download and cache intelligent models on first use.

Quick Start

from llm_converter import FileConverter

# Basic conversion 
converter = FileConverter()
result = converter.convert("document.pdf").to_markdown()
print(result)

Features

• Multiple Input Formats: PDF, DOCX, TXT, HTML, URLs, Excel files, and more
• Multiple Output Formats: Markdown, HTML, JSON, Plain Text
• LLM Integration: Seamless integration with LiteLLM and other LLM libraries
• Local Processing: Process documents locally without external dependencies
• Layout Preservation: Maintain document structure and formatting
• Intelligent Document Processing: Advanced document understanding and conversion powered by pre-trained models:
  • Layout Detection: Intelligent models for document structure understanding
  • Text Recognition: High-accuracy text extraction with confidence scoring
  • Table Structure: Intelligent table detection and conversion to markdown format
  • Automatic Model Download: Models are automatically downloaded and cached

Usage Examples

Convert PDF to Markdown

from llm_converter import FileConverter

converter = FileConverter()
result = converter.convert("document.pdf").to_markdown()
print(result)

Convert Image to HTML

from llm_converter import FileConverter

converter = FileConverter()
result = converter.convert("sample.png").to_html()
print(result)

Chain with LLM

from llm_converter import FileConverter
from litellm import completion

converter = FileConverter()
document_content = converter.convert("report.pdf").to_markdown()

# Use with any LLM
response = completion(
    model="openai/gpt-4o",
    messages=[
        {"role": "system", "content": "You are a helpful assistant that analyzes documents."},
        {"role": "user", "content": f"Summarize this document:\n\n{document_content}"}
    ]
)

print(response.choices[0].message.content)

Supported Formats

Input Formats

• Documents: PDF, DOCX, TXT
• Web: URLs, HTML files
• Data: Excel (XLSX, XLS), CSV
• Images: PNG, JPG, JPEG

Output Formats

• Markdown: Clean, structured markdown with proper table formatting
• HTML: Formatted HTML with styling
• JSON: Structured JSON data
• Plain Text: Simple text extraction

CLI usage

The llm-converter command-line tool provides easy access to all conversion features:

Basic Usage

# Convert a PDF to markdown (default)
llm-converter document.pdf

# Convert to different output formats
llm-converter document.pdf --output html
llm-converter document.pdf --output json
llm-converter document.pdf --output text

Advanced Options

# Save output to file
llm-converter document.pdf --output-file output.md

# For image input
llm-converter image.png 

# Convert multiple files at once
llm-converter file1.pdf file2.docx file3.xlsx --output markdown

List Supported Formats

# See all supported input formats
llm-converter --list-formats

Examples

# Convert PDF to markdown
llm-converter scanned_document.pdf --output markdown

# Convert image to HTML with layout preservation
llm-converter screenshot.png --output html

# Convert multiple documents to JSON
llm-converter report.pdf presentation.pptx data.xlsx --output json --output-file combined.json

# Convert URL content to markdown
llm-converter https://blog.example.com --output markdown --output-file blog_content.md

Output Formats

• markdown (default): Clean, structured markdown
• html: Formatted HTML with styling
• json: Structured JSON data
• text: Plain text extraction

API Reference for library

FileConverter

Main class for converting documents to LLM-ready formats.

Methods

• convert(file_path: str) -> ConversionResult: Convert a file to internal format
• convert_url(url: str) -> ConversionResult: Convert a URL page contents to internal format
• convert_text(text: str) -> ConversionResult: Convert plain text to internal format

ConversionResult

Result object with methods to export to different formats.

Methods

• to_markdown() -> str: Export as markdown
• to_html() -> str: Export as HTML
• to_json() -> dict: Export as JSON
• to_text() -> str: Export as plain text

License

MIT License - see LICENSE file for details.