Extract Structured Data from Any Text
Transform unstructured text into organized, actionable information using state-of-the-art language models. Extract entities with precise source mapping, interactive visualization, and few-shot learning - no fine-tuning required.
Any Document Type
Clinical notes, reports, literature, emails - extract from any text format
Lightning Fast
Parallel processing and optimized chunking for rapid extraction
Precise Mapping
Every extraction linked to exact source location with highlighting
Powerful Features for Text Extraction
Everything you need to extract structured information from unstructured text with confidence and precision.
LLM-Powered Extraction
Leverage Google Gemini and other state-of-the-art language models for intelligent text understanding and extraction.
Precise Source Mapping
Every extracted entity is mapped to its exact character position in the source text for complete traceability.
Multi-Pass Processing
Configurable extraction passes ensure high recall rates, catching information that might be missed in a single pass.
Interactive Visualization
Generate beautiful HTML visualizations with highlighted entities and smooth animations for easy verification.
Production Ready
Built for scale with parallel processing, smart chunking, and optimized performance for large documents.
Domain Agnostic
Works across any domain - medical, legal, scientific, or general text - with just a few examples.
Schema Enforcement
Ensure consistent output structure with schema constraints and controlled generation capabilities.
Easy Integration
Simple Python API with comprehensive documentation makes integration into existing workflows seamless.
Example Use Cases
Medical Information Extraction
Extract medications, dosages, diagnoses, and procedures from clinical notes and medical records with high accuracy.
Document Analysis
Analyze contracts, research papers, and reports to extract key terms, entities, and relationships automatically.
Literature Processing
Extract characters, emotions, plot elements, and themes from literary texts for analysis and research.
Data Mining
Transform unstructured customer feedback, emails, and social media into structured insights and analytics.
Frequently Asked Questions
Everything you need to know about LangExtract
Ready to Transform Your Text Processing?
Start extracting structured information from your documents today. Integrate LangExtract into your Python projects with a single pip install.