opendatalab/MinerU alternatives

calls MinerU “Python library that converts PDFs and Office docs to LLM-ready markdown/JSON; choose for advanced PDF/OCR-heavy workflows.”

Python tool for converting files and office documents to Markdown.

calls MinerU “when you prefer a parser focused exclusively on document-to-markdown rather than a general OCR toolkit.”

Turn any PDF or image document into structured data for your AI. A powerful, lightweight OCR toolkit that bridges the gap between images/PDFs and LLMs. Supports 100+ languages.

calls MinerU “if you want a similarly capable Python parser with a larger community and active development”

Get your documents ready for gen AI

calls MinerU “When you need a direct drop-in replacement with active development and easy install.”

Convert PDF to markdown + JSON quickly with high accuracy

calls MinerU “Choose if you want a popular community-driven Python parser with strong handling of complex PDFs; be aware the license is not clearly OSS.”

PDF Parser for AI-ready data. Automate PDF accessibility. Open-source.

calls MinerU “Choose for a very active, feature-rich option that converts PDFs and Office docs to markdown/JSON.”

Toolkit for linearizing PDFs for LLM datasets/training

calls MinerU “when you want a high-quality PDF/Office-to-Markdown/JSON converter with OCR and table/LaTeX support for LLM workflows.”

Convert documents to structured data effortlessly. Unstructured is open-source ETL solution for transforming complex documents into clean, structured formats for language models. Visit our website to learn more about our enterprise grade Platform product for production grade workflows, partitioning, enrichments, chunking and embedding.

calls MinerU “choose as a drop-in parser for PDF/Office to Markdown/JSON with strong OCR, but you'll handle PII separately.”

Document (PDF, Word, PPTX ...) extraction and parse API using state of the art modern OCRs + Ollama supported models. Anonymize documents. Remove PII. Convert any document or picture to structured JSON or Markdown

calls MinerU “choose when you need high-quality PDF-to-Markdown for scientific papers and mixed content; seed has a different model and cloud option.”

Extract and convert data from any document, images, pdfs, word doc, ppt or URL into multiple formats (Markdown, JSON, CSV, HTML) with intelligent structured data extraction and advanced OCR.

calls MinerU “ML-based parser with OCR for complex or scanned PDFs; choose when you need higher accuracy over raw speed.”

Convert Word, PowerPoint, Excel, OpenDocument, RTF, EPUB, CSV, and PDF to clean Markdown. Built in Rust, with Node.js and Python bindings.

calls MinerU “when you want a comprehensive PDF-to-Markdown pipeline with layout/format support.”

OCR & Document Extraction using vision models

calls MinerU “when you need a mature, feature-rich pipeline for PDF/Office-to-markdown with strong community support.”

The official repo for “Dolphin: Document Image Parsing via Heterogeneous Anchor Prompting”, ACL, 2025.

calls MinerU “Mature pipeline for converting complex PDFs to Markdown/JSON using layout detection and OCR; a strong but internally different alternative.”

PDF craft can convert PDF files into various other formats. This project will focus on processing PDF files of scanned books.

calls MinerU “Use when you need a full document-to-markdown pipeline with layout and table recognition, not just OCR correction.”

Enhances Tesseract OCR output using LLMs (local or API) for error correction, smart chunking, and markdown formatting of scanned PDFs