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uJson - JSON Formatter & Viewer

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

As of June 2026, uJson - JSON Formatter & Viewer has 30 users and a 5.00/5 rating from 2 reviews in the Developer Tools category.

uuhcDeveloper Tools
Chrome Web Store ↗.crx
Usersup 150.0 percent+150.0%
30
30
Ratingno change0%
5.00
2 reviews
Reviewsno change0%
2
Version
1.0.2
Manifest V3

History

7 snapshots

Tracking since Apr 7, 2026.

31.442110.559999999999999Apr 7, 2026Jun 3, 2026
View as table
DateUsersRatingReviewsVersion
Apr 7, 2026125.0021.0.2
Apr 19, 2026145.0021.0.2
Apr 26, 2026225.0021.0.2
May 3, 2026275.0021.0.2
May 9, 2026245.0021.0.2
May 14, 2026265.0021.0.2
Jun 3, 2026295.0021.0.2
Now305.0021.0.2

Permissions & access

Permissions
storageactiveTabclipboardWrite
Host access
<all_urls>

Screenshots

uJson - JSON Formatter & Viewer screenshot 1uJson - JSON Formatter & Viewer screenshot 2uJson - JSON Formatter & Viewer screenshot 3uJson - JSON Formatter & Viewer screenshot 4uJson - JSON Formatter & Viewer screenshot 5

About

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。

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✨ 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。

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🚀 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。

Technical

Version
1.0.2
Manifest
V3
Size
72.99KiB
Min Chrome
88
Languages
2
Featured
No

Metadata

ID
nahpjpifcdnkjcfoikglibgikhnkachl
Developer ID
u35d9f545be7407d213d5a7ef9f70fb4d
Developer Email
[email protected]
Created
Jan 29, 2026
Last Updated (Store)
Feb 26, 2026
Last Scraped
Jun 3, 2026
Website
—

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Data sourced from the Chrome Web Store · last verified Jun 3, 2026.