The Unstract Blog

Product features, releases, updates, roadmaps, and everything in between AI, automation, and data.

Why PDFs to Markdown is Not the Right Format for LLM-Based Structured Data Extraction
Product

PDF to Markdown: Best Tools, Comparison, Limitations (2026)

Markdown-based OCR falls short for LLM-driven structured data extraction. This article compares it with LLMWhisperer, a layout-preserving OCR built for LLM pre-processing, highlighting how retaining spatial structure and confidence scores enables more accurate downstream extraction.

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