JSON Viewer, Formatter & Code Generator

Tracking since Apr 6, 2026.

Changelog

• May 22, 2026
  description

  JSON Viewer by QubitTool - The most powerful JSON viewer for developers.
  
  ✨ Key Features:
  
  🌳 Tree View & Raw View
  
  - Beautiful tree structure with syntax highlighting
  - Collapsible/expandable nodes at any level
  - One-click switch between tree and raw JSON
  - Optional line numbers display
  - Show data types (string/number/boolean/null)
  🔍 Smart Search & JSONPath Query
  
  - Real-time search with highlighting
  - Regex search support - find patterns with .* toggle
  - Full JSONPath query support (e.g., $.store.book[*].author )
  - Filter and extract data instantly
  ⚡ High Performance
  
  - Virtual scrolling for large JSON files (10MB+)
  - Web Worker parsing - never blocks your browser
  - Smooth experience even with millions of nodes
  🛠️ Developer Tools
  
  - Generate TypeScript/Go/Python/Java/Rust/C#/Swift types from JSON
  - Convert JSON to YAML with one click
  - JSON Diff - compare two JSON objects
  - Copy path, key, or value with one click
  - Format & minify JSON
  - Sort keys alphabetically
  ⌨️ Keyboard Navigation
  
  - Arrow keys to navigate (↑↓ move, ←→ expand/collapse)
  - Enter/Space to toggle nodes
  - Efficient browsing without mouse
  🎨 10+ Beautiful Themes
  
  - Dark, Light, Monokai, Dracula, Nord, GitHub, One Dark, Solarized and more
  - Customizable font size and indent
  🔮 Smart Detection
  
  - Auto-convert Unix timestamps to readable dates
  - Clickable URLs
  - Color preview for hex/rgb values
  - Base64 decode preview
  🌐 Multi-language Support
  
  - English and 简体中文
  🔒 Privacy First
  
  - Works 100% offline
  - No data collection, no tracking
  - Open source
  More free developer tools at QubitTool.com
  
  JSON Viewer by QubitTool - 开发者最强大的 JSON 查看器。
  
  ✨ 核心功能：
  
  🌳 树形视图 & 原始视图
  
  - 精美的树形结构，语法高亮显示
  - 任意层级可折叠/展开
  - 一键切换树形和原始 JSON 视图
  - 可选显示行号
  - 显示数据类型（string/number/boolean/null）
  🔍 智能搜索 & JSONPath 查询
  
  - 实时搜索并高亮匹配结果
  - 支持正则表达式搜索 - 点击 .* 切换正则模式
  - 完整支持 JSONPath 查询（如 $.store.book[*].author ）
  - 即时过滤和提取数据
  ⚡ 高性能
  
  - 虚拟滚动技术，轻松处理大型 JSON 文件（10MB+）
  - Web Worker 解析，永不阻塞浏览器
  - 百万级节点依然流畅
  🛠️ 开发者工具
  
  - 从 JSON 生成 TypeScript/Go/Python/Java/Rust/C#/Swift 类型定义
  - 一键转换 JSON 为 YAML 格式
  - JSON 对比 - 比较两个 JSON 对象的差异
  - 一键复制路径、键名或值
  - 格式化 & 压缩 JSON
  - 按字母顺序排列键名
  ⌨️ 键盘导航
  
  - 方向键快速导航（↑↓ 移动，←→ 展开/折叠）
  - Enter/Space 切换节点状态
  - 无需鼠标，高效浏览
  🎨 10+ 精美主题
  
  - 深色、浅色、Monokai、Dracula、Nord、GitHub、One Dark、Solarized 等
  - 可自定义字体大小和缩进
  🔮 智能检测
  
  - 自动将 Unix 时间戳转换为可读日期
  - URL 自动变为可点击链接
  - 十六进制/RGB 颜色值预览
  - Base64 解码预览
  🌐 多语言支持
  
  - English 和 简体中文
  🔒 隐私优先
  
  - 100% 离线工作
  - 不收集数据，不追踪用户
  - 开源项目
  更多免费开发者工具请访问 QubitTool.com

  🚀 Probably the most powerful and developer-friendly JSON Viewer extension on the Chrome Web Store!
  
  Say goodbye to the clunky default JSON view. Built specifically for handling complex API responses and massive JSON payloads, the QubitTool JSON Viewer integrates formatting, searching, querying, diffing, and code generation into one seamless experience.
  
  🌟 Core Developer Features:
  • ⚡️ Extreme Performance: Powered by Virtual Scrolling technology, it effortlessly opens 10MB+ massive JSON files instantly without crashing your browser.
  • 🔍 JSONPath Query: Built-in JSONPath engine allows you to filter and extract deeply nested JSON data just like writing SQL.
  • 💻 1-Click Code Generation: Automatically generate TypeScript Interfaces, Go Structs, Python Classes, or Java Classes from any JSON payload to boost your productivity.
  • 🔄 JSON Diff Tool: Compare two JSON payloads and instantly highlight the differences with our built-in diff mode.
  
  🎨 Smart Experience & Customization:
  • 🧠 Smart Detection: Automatically converts Unix timestamps to readable dates, makes URLs clickable, and displays color swatches for HEX/RGB values.
  • 🌓 Developer Themes: Choose from 8 classic themes including Monokai, Dracula, Nord, and GitHub Dark/Light.
  • 🛠 Highly Customizable: Adjust indent size, default expand levels, font size, and even inject your own custom CSS.
  • ⌨️ Keyboard Shortcuts: Fully navigable via keyboard (Search, Copy Value, Toggle Views, etc.).
  
  🛡️ Privacy First:
  Your data security is our top priority. All JSON parsing, formatting, and processing happen locally and offline right inside your browser. We NEVER track, collect, or send your data to any external servers.
  
  🎁 100% Free & No Ads:
  Crafted with ❤️ by the QubitTool.com team. Completely free to use with zero annoying advertisements.

• May 22, 2026
  short_description

  The most powerful JSON viewer with virtual scrolling, JSONPath query, code generation, diff mode and more.

  Ultimate JSON viewer & formatter with virtual scrolling for massive files, JSONPath, JSON Diff, and TS/Go code generation.

• May 22, 2026
  name

  JSON Viewer by QubitTool

  JSON Viewer, Formatter & Code Generator

Permissions & access

Permissions

storageclipboardWrite

Host access

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