MinerU is listed under AI OCR & Document Extraction, in the Research & Learning category on Flocci AI Tools. Parses PDFs, images and Office files into Markdown, JSON, HTML or LaTeX. It is free, with no paid plan attached, and it lives at github.com.
MinerU is listed as fully free — there is no paid tier attached to it in the catalog. That makes it one of the 399 entries on Flocci AI Tools with no upgrade path built in.
MinerU does 4 things the catalog singles out: Parses pdfs, images and office files into markdown, json, html or latex; runs fully locally with ocr, table and formula recognition; free hosted web app at mineru.net plus agent-ready outputs; version 4.0 adds four parsing quality tiers.
DeepSeek-OCR is the closest free alternative: it sits in the same AI OCR & Document Extraction sub-category and is free. Docling, Dolphin (ByteDance) and dots.ocr (dots.mocr) also start free. The full list is on the alternatives page.
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