NeatJSON is a Chrome extension designed to enhance the readability and usability of raw JSON data. This tool automatically detects JSON responses in the browser, transforming them into an interactive, collapsible tree structure with syntax highlighting. It operates entirely locally, ensuring privacy with zero telemetry and allows for seamless navigation through large JSON files without UI freezing. NeatJSON features real-time search capabilities, JSON path copying, and offers five distinct themes for user customization. Additionally, it provides one-click value copying for primitive data types and clickable URLs for easier access to linked resources. With its robust functionality, NeatJSON is an essential tool for developers, making the process of inspecting JSON data efficient and user-friendly.