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Unstructured-IO / unstructured

Star 15.6k

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.

nlp pdf machine-learning natural-language-processing information-retrieval ocr deep-learning ml docx preprocessing pdf-to-text data-pipelines donut document-image-processing document-parser pdf-to-json document-image-analysis llm document-parsing langchain
  • Updated Oct 30, 2026
  • HTML

awesome-yasin / PDF-Verse

Star 282

PDF Verse is a powerful web based PDF Editor with tools for editing, converting, and manipulating PDFs. Merge, compress, add or remove pages, or extract text using OCR technology. Convert PDF to DOC, Excel, PPT, JPG, PNG, Text and many more format as well and vice versa. PDF Verse also has user-friendly interface and wide range of features as well

pdf pdf-converter split-pdf merge-pdf splitpdf ilovepdf pdfeditor pdf-to-json pdf-lib pdf-editor watermark-pdf adobe-acrobat pdf-to-jpg pdftoword pdf-to-png pdf-compressor pdf-to-png-converter pdf-to-jpg-converter pdf-to-image-converter
  • Updated Jan 1, 2024
  • JavaScript

ComPDFKit / docslight

Star 136

With DocSlight, precisely parse and extract data from any document, including PDFs, scans, images, and Office files. It is an open-source AI project from ComPDF (KDAN ecosystem).

open-source ocr extraction pdf-parser document-parser pdf-to-json document-data image-parser document-parsing image-to-json document-information-extraction docx-to-json open-source-ocr python-pdf-parser open-source-pdf-parsing open-source-document-data-extraction pdf-ocr-open-source intelligent-document-processing-open-source
  • Updated Oct 16, 2026
  • Vue

NameetP / pdfmux

Star 86

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.

python pdf ocr mcp self-healing pdf-parser structured-extraction rag pdf-to-json pdf-extraction document-ai ai-agent llm document-parsing langchain llamaindex pdf-to-markdown docling mcp-server opendataloader
  • Updated Oct 28, 2026
  • Python

unitedrhino / docling

Star 67

Get your documents ready for gen AI, in pure Go. A Go alternative to anydoc & Docling — 纯 Go 实现的文档解析库:PDF/Word/PPT/Excel/HTML/Markdown/EML/图片等 12 种格式统一解析为 Docling 协议(Markdown/JSON/content_list),表格还原·多栏阅读顺序·图表数据回填,OCR 收敛为一个大模型接口,单二进制零依赖,快 34~153 倍。联犀物联网平台知识库同款引擎。

go html markdown golang pdf ocr ai xlsx pdf-converter docx pptx pdf-to-text tables document-parser rag pdf-to-json document-parsing docling rag-chunking anydoc
  • Updated Oct 14, 2026
  • Go

ComPDF-derek / docslight

Star 52

Part of the KDAN ecosystem, DocSlight offers document parsing, OCR, and data extraction that turn PDFs, scans, images, and Office files into structured outputs for RAG pipelines, AI agents, and enterprise document automation.

open-source ocr pdf-parser document-parser pdf-to-json image-parser document-parsing image-to-json document-information-extraction document-data-extraction docx-to-json open-source-ocr python-pdf-parser open-source-pdf-parsing open-source-document-data-extraction pdf-ocr-open-source intelligent-document-processing-open-source
  • Updated Jul 31, 2026
  • Vue

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