EML, MSG & MBOX to JSON - Emails & Attachments for RAG

Rag Knowledge Graph Builder

cspnair/rag-knowledge-graph-builder

Transform websites into RAG-ready datasets. Crawls pages, chunks content into semantic segments (500-1000 tokens), and generates hypothetical questions for each chunk. No API key needed with native mode. Output: pre-indexed JSON optimized for AI retrieval with 3x better accuracy than raw text.

Website & Page to Markdown for RAG and LLMs

humble-echidna/page-to-markdown

Turn web pages or whole sites into clean Markdown for RAG and LLMs: main content only, with title, links and word count. Whole-site mode reads the sitemap first, can return only changed pages, and splits pages into heading-based chunks. Respects robots.txt and AI opt-outs. No browser.

Website Content Extractor for RAG: Markdown, HTML, Text

nezha/website-content-crawler

Turn docs sites, help centers, blogs, and websites into clean markdown, text, or HTML for RAG, AI knowledge bases, and internal search. Crawl from start URLs or sitemaps and keep the crawl in scope.

Pdf to json

shahabuddin38/pdf-to-json

Convert PDF files into structured JSON with optional OCR, table extraction, key-value detection, and metadata parsing. Ideal for invoices, receipts, contracts, statements, forms, and document automation workflows. Supports digital and scanned PDFs for API-ready data extraction.

AI RAG Feeder V2

mickeywmoore/ai-rag-feeder-v2

Turn any website into AI-ready Markdown. Scrapes entire domains, removes ads/clutter, and formats text specifically for RAG pipelines and LLM training data.

RAG Markdown Cleaner

cooldev/rag-markdown-cleaner

Transform web pages into RAG-ready Markdown with smart chunking, metadata, code detection & quality scoring. Production-tested deduplication. Fully open-source (Apache 2.0)—review code, contribute, or self-host. Turn messy HTML into embedding-ready knowledge instantly.

PDF to Markdown RAG-Ready

hedelka/pdf-to-markdown-rag

Premium PDF scraper that preserves tables and structure. Optimized for RAG.

JSON-LD Extractor – Schema.org Data & Rich Snippets

ninhothedev/json-ld-extractor

Extract Schema.org JSON-LD and microdata from any URLs: Product, Article, Recipe, Event, Organization & more, one row per entity with full data. For SEO audits, e-commerce & RAG.

Extract structured data from any website into typed JSON matching your schema, with a confidence score on every field. AI-powered, RAG-ready, with built-in schema validation and grounding to catch hallucinations.

Email Verifier - $1/1k, Bulk, Typo Fix + Gmail/Outlook Provider

that_red_bird/email-verifier

Verify emails in bulk for $1 per 1,000: syntax, domain, MX, disposable, role, catch-all, typo fix, plus the mailbox provider (Google, Microsoft, other) for cold-email inbox matching.