1.opendatalab / MinerU
Transforms complex documents like PDFs and Office docs into LLM-ready markdown/JSON for your Agentic workflows.
+21,541 stars
from 61,406 · score 9.98
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2.PaddlePaddle / PaddleOCR
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.
+15,612 stars
from 76,466 · score 9.66
3.py-pdf / pypdf
A pure-python PDF library capable of splitting, merging, cropping, and transforming the pages of PDF files
+377 stars
from 9,905 · score 5.93
4.NameetP / pdfmux
PDF extraction that audits its own output — and certifies any other extractor's, catching pages they silently dropped. Verify signed manifests offline: free, MIT, no account. 0.903 on opendataloader-bench, #2 of 8 engines. 7-tool MCP server.
+26 stars
from 60 · score 3.30