JSON Tree vs JSON Tools

A lightweight JSON tree structure previewer with no other dependencies. - Supports exporting type declarations for languages ​​such as Java, TS, and Go - Instantly collapse and expand tree nodes for precise data exploration - Blazing fast performance: 100% native code, zero external libraries - Effortless handling of large files via **Lazy Loading** - Smart copying of full JSON objects, regardless of node collapse state - Seamless system integration: Supports drag & drop, Shared files, and "Open with" from context menus - Enhanced file access: Directly supports "file:///" location paths - Clear data overview: Displays array length/count for quick assessment - Full customization: Includes multiple dark/light theme options and custom font sizing

JSON Tools is a fast, modern JSON workbench built for developers who live inside APIs. WHAT YOU CAN DO • Explore large JSON files in tree or raw view with collapsible nodes • Edit with line-numbered syntax highlighting, Undo/Redo, and smart indent • Catch errors as you type with instant JSON validation and clear messages • Compare two JSON documents line by line with the diff engine • Generate strongly-typed Dart model classes in one tap • Spin up realistic mock data for unit tests in seconds • Visualize structure as a connected graph with Graph View BUILT FOR Flutter / Dart developers, backend engineers, QA engineers, and anyone who wrestles with JSON every day. EXPERIENCE Personalized Light and Dark themes, smooth animations, and an ad-free Premium option for focused work. Take control of your JSON—download JSON Tools now.