Scan to Markdown - OCR for Scanned Docs

Extract text from scanned documents and images using OCR via MinerU Open API. No API key required.

Quick Start

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Language Rule

You MUST reply to the user in the SAME language they use. This is non-negotiable.

Capabilities

• - OCR for scanned PDFs, photographed documents, images
• Supports PDF, PNG, JPG, WebP, BMP, TIFF
• Supports both local files and URLs directly
• Language hint with --language (default: ch, use en for English)
• No API key, no signup, no authentication
• Max 10MB / 20 pages per document

When to Use

• - User asks to "OCR" a document or image
• User has a scanned PDF that needs text extraction
• User shares a photo of a page and wants the text
• User mentions "scan", "handwriting", or "recognize text"

CLI Reference

Run mineru-open-api flash-extract --help for all available options.

Data Privacy

• - flash-extract uploads the document to MinerU's cloud API for processing and returns the result. No account or API key is required.
• Documents are processed in real-time and are not stored after extraction.
• For details, see https://mineru.net

Notes

• - Best results with clear, high-resolution scans
• For higher precision OCR with full layout preservation, use mineru-open-api extract --ocr (requires auth via mineru-open-api auth)
• If the CLI cannot be installed via npm/uv/go, download it from https://mineru.net/ecosystem?tab=cli