JSON-LD Schema Generator

Project intro

A lightweight JSON-LD Schema Generator that runs 100% in the browser, vibe-coded by Vietnamese SEO specialist Vo Viet Hoang. It generates clean, ready-to-copy JSON-LD markup for Articles, Local Businesses and WebSites with instant validation and formatting. Because every byte is processed client-side in pure JavaScript, user inputs never touch a server — complete data privacy and zero latency. The author built it via LLM prompting to handle strict schema.org syntax, nested properties like author/publisher/address, and dynamic UI updates. Free to use at the demo link.