opendatalab / MinerU

Transforms complex documents like PDFs and Office docs into LLM-ready markdown/JSON for your Agentic workflows.

UglyToad / PdfPig

Read and extract text and other content from PDFs in C# (port of PDFBox)

torakiki / pdfsam

PDFsam, a desktop application to split, merge, mix, rotate PDF files and extract pages

ExtractPDF4J / ExtractPDF4J

Java PDF table extraction & OCR library. Extract structured tables from text-based and scanned PDFs using stream, lattice (OpenCV-style grid detection), and hybrid parsing.

tooladda-online / pdf-extract

PDF Extract — Pick the pages you need by clicking their thumbnails, or type ranges like Free on ToolAdda.online.