Data Transform Toolkit

JSON ↔ CSV Converter

automation-lab/json-csv-converter

Convert between JSON and CSV in both directions. Auto-detect format, flatten nested JSON with dot notation, custom delimiters (comma, semicolon, tab, pipe), URL input, and bulk multi-file processing.

Convert To Markdown

datavault/convert-to-markdown

Convert to Markdown, converts documents, spreadsheets, images (OCR), audio (transcription), and web/data files into clean Markdown. It runs fully locally, requires no API keys, and is ideal for LLMs, docs, and archiving.

S3 to Markdown

consummate_hickory/s3FileToMarkdown

Transform S3 documents into perfect AI training data! Converts PDFs, Word, Excel, images, audio to clean Markdown that LLMs love. Uses Microsoft's markitdown engine. Ideal for RAG systems, AI agents, and machine learning pipelines.

Get sunrise, sunset, solar noon, day length & twilight times for any GPS coordinates worldwide. Fetch single dates or ranges up to 365 days. Returns civil, nautical & astronomical twilight. Free API, no key required.

Video Transcript Scraper

igview-owner/video-transcript-scraper

Extract video transcripts from any platform instantly! Get full transcripts with timestamps from YouTube, TikTok, Facebook, Vimeo, Loom & more. Perfect for content creators, SEO, accessibility, and video-to-text conversion. Supports 100+ videos per run. No login required!

PDF to Markdown Converter - AI-Powered with OCR & Tables

clearpath/pdf-to-markdown-api

Convert PDFs to clean Markdown with GPU-accelerated AI. Extracts tables, LaTeX formulas, and images from complex layouts. Supports OCR for scanned docs in 8 languages. Batch process hundreds of PDFs in parallel via URL, upload, or API.

Search Stack Overflow and the StackExchange network for questions using the official StackExchange API v2.3. Extract questions with scores, answer counts, view counts, tags, and author details from nine popular Q&A communities.

Dynamic Markdown Scraper

louisdeconinck/dynamic-markdown-scraper

Effortlessly feed LLM AIs with clean Markdown using our advanced web scraper. Seamlessly scrape dynamic, JavaScript-rendered websites while preserving original formatting. Ideal for AI training, documentation, and content migration.

OpenCorporates Global Company Search

ryanclinton/opencorporates-search

Search the world's largest open database of companies -- over 200 million companies from 140+ jurisdictions -- via the official OpenCorporates API.

Look up geographic location, ISP details, and security flags for any list of IP addresses -- from one to tens of thousands.