Extracts all unique keys from a JSON structure, including nested keys expressed in dot notation (e.g., user.address.city). Shows all top-level keys, all nested paths, or both. Useful for understanding unfamiliar APIs, generating TypeScript interfaces, mapping database schemas, and writing documentation.
Paste your JSON and get a flat list of all key paths in seconds.
Extract all email addresses from any block of text.
Extract all hashtags from social media posts or any text.
Strip HTML tags and extract the plain text content.
Extract values from JSON by key path.
Extract all numbers (integers and decimals) from text.
Extract phone numbers from any text or document.