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PDF to Markdown for RAG: the 4 problems that silently ruin your retrieval

PDFs are the worst input format for a RAG pipeline. The text is stored as positioned glyphs, not as paragraphs, so a naive extraction gives you broken lines, columns mixed together and tables turned into word soup. Then your chunks are bad, your embeddings are bad, and the model answers from garbag…

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  1. 2026-11-12 00:13 · DEV Community — AI
    PDF to Markdown for RAG: the 4 problems that silently ruin your retrieval

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