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uJson - JSON Formatter & Viewer

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Overview

Auto-format JSON responses with syntax highlighting, collapsible tree view, dark mode & built-in editor

uJson is a lightweight and powerful JSON formatter extension that automatically beautifies JSON responses in your browser. uJson 是一款轻量强大的 JSON 格式化扩展,自动美化浏览器中的 JSON 响应。 --- ✨ Key Features / 主要功能: • Auto-detection & Formatting / 自动检测与格式化 Automatically detects and formats JSON responses when browsing APIs or JSON files. 浏览 API 或 JSON 文件时自动检测并格式化。 • Syntax Highlighting / 语法高亮 Color-coded values for strings, numbers, booleans, and null for easy reading. 字符串、数字、布尔值、null 用不同颜色区分,一目了然。 • Collapsible Tree View / 可折叠树形视图 Expand or collapse nested objects and arrays to navigate complex JSON structures. 展开或折叠嵌套对象和数组,轻松浏览复杂结构。 • Dark Mode / 深色模式 Easy on the eyes with a beautiful dark theme. 精美的深色主题,保护眼睛。 • Built-in JSON Editor / 内置 JSON 编辑器 Edit, format, compress, escape/unescape JSON directly in the browser. 直接在浏览器中编辑、格式化、压缩、转义/反转义 JSON。 • Python Dict Support / Python 字典支持 Automatically converts Python dict format (True/False/None, single quotes) to valid JSON. 自动将 Python 字典格式转换为有效 JSON。 • Copy & Download / 复制与下载 One-click copy to clipboard or download formatted JSON as a file. 一键复制到剪贴板或下载为文件。 --- 🚀 Perfect for developers, testers, and anyone who works with JSON data regularly. 适合开发者、测试人员以及经常处理 JSON 数据的用户。 Lightweight, fast, and privacy-focused - no data collection, works entirely offline. 轻量、快速、注重隐私 - 无数据收集,完全离线运行。

Details

  • Version
    1.0.2
  • Updated
    February 26, 2026
  • Offered by
    uuhc
  • Size
    72.99KiB
  • Languages
    2 languages
  • Developer
    Email
    uuhc3976@gmail.com
  • Non-trader
    This developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.

Privacy

Manage extensions and learn how they're being used in your organization

uJson - JSON Formatter & Viewer has disclosed the following information regarding the collection and usage of your data. More detailed information can be found in the developer's privacy policy.

uJson - JSON Formatter & Viewer handles the following:

Personally identifiable information
Health information
Financial and payment information
Authentication information
Personal communications
Location
Web history
User activity
Website content

This developer declares that your data is

  • Not being sold to third parties, outside of the approved use cases
  • Not being used or transferred for purposes that are unrelated to the item's core functionality
  • Not being used or transferred to determine creditworthiness or for lending purposes

Support

For help with questions, suggestions, or problems, visit the developer's support site

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