JSON Pretty Pro - JWT decoding,Time Machine,API diff tool,Tree View

Prettify JSON color-coded tree views,validate,minify, JSONPath queries, JWT decoding, HATEOAS, Time Machine, API diff tool

As of June 2026, JSON Pretty Pro - JWT decoding,Time Machine,API diff tool,Tree View has 8 users and a 5.00/5 rating from 1 reviews in the Developer Tools category.

Usersno change0%
8
8
Ratingno change0%
5.00
1 reviews
Reviewsno change0%
1
Version
1.0.8
Manifest V3
90-day change · In the last 90 days this extension 1 version update, changed permissions.

History

8 snapshots

Tracking since Apr 18, 2026.

8.4851.5199999999999996Apr 18, 2026Jun 14, 2026
View as table
DateUsersRatingReviewsVersion
Apr 18, 20261.0.7
Apr 23, 20261.0.7
Apr 30, 202621.0.7
May 7, 202641.0.7
May 17, 202651.0.7
May 23, 202641.0.8
May 30, 202665.0011.0.8
Jun 14, 202675.0011.0.8
Now85.0011.0.8

Changelog

  • May 17, 2026
    host_permissions
    (empty)
    https://www.google-analytics.com/*, <all_urls>
  • May 11, 2026
    description
    JSON Vision Pro - Beautiful JSON Viewer for Developers
    
    Transform raw JSON into a clean, interactive viewing experience. Built for API developers who work with JSON responses daily.
    
    🎯 Key Features
    
    Smart JSON Formatting
    View JSON in a beautiful, collapsible tree structure with syntax highlighting. Toggle between tree and table views for array data with HATEOAS support 
    
    🎨 Visual Previews
    - JSON Playground
    - Validate ,Format, Minify, Download
    
    🔑 JWT Token Decoder
    Instantly decode JWT tokens with one click. See header, payload, and expiration status. No more copying to external tools.
    
    📊 Response Comparison
    Compare API responses side-by-side. Automatically detects changes between requests and highlights added, removed, and modified fields.
    
    🎨 Visual Previews
    - Color codes display as color chips
    - Image URLs show inline thumbnails
    - Unix timestamps convert to readable dates
    - All automatically detected and previewed
    
    ⚡ Powerful Search & Filter
    - Instant search across all JSON keys and values
    - JSONPath query support ($.users[*].name)
    - Filter results in real-time
    
    📝 Time Machine
    Browse history of recent API calls. Quickly switch between different endpoints and compare responses.
    
    🛠️ Developer Tools
    - Copy JSON paths to clipboard
    - Export to CSV format
    - Collapsible tree navigation
    - Dark theme optimized for long sessions
    
    🔒 Privacy First
    
    100% local processing. No data ever leaves your browser. No tracking, no analytics, no external servers.
    
    🚀 How to Use
    Install the extension
    Visit any URL that returns JSON
    Enjoy the beautiful viewer automatically
    
    Works with:
    - REST APIs (api.github.com, jsonplaceholder.typicode.com)
    - Local JSON files
    - Any endpoint returning application/json
    
    💡 Perfect For
    Backend developers testing APIs
    QA engineers validating responses
    Data analysts exploring JSON data
    Anyone who works with JSON daily
    
    🆓 Completely Free for Now may get paid in future.
    
    All features included. No premium tiers, no paywalls, no subscriptions.
    
    📢 Feedback & Support
    
    Love it? Rate us 5 stars!
    Found a bug? Let us know in the reviews.
    
    
    
    Note: This extension only activates on pages serving JSON content. It will not affect regular web browsing.
    JSON Pretty Pro - Beautiful JSON Viewer for Developers
    
    Transform raw JSON into a clean, interactive viewing experience. Built for API developers who work with JSON responses daily.
    
    🎯 Key Features
    
    Smart JSON Formatting
    View JSON in a beautiful, collapsible tree structure with syntax highlighting. Toggle between tree and table views for array data with HATEOAS support 
    
    🎨 Visual Previews
    - JSON Playground
    - Validate ,Format, Minify, Download
    
    🔑 JWT Token Decoder
    Instantly decode JWT tokens with one click. See header, payload, and expiration status. No more copying to external tools.
    
    📊 Response Comparison
    Compare API responses side-by-side. Automatically detects changes between requests and highlights added, removed, and modified fields.
    
    🎨 Visual Previews
    - Color codes display as color chips
    - Image URLs show inline thumbnails
    - Unix timestamps convert to readable dates
    - All automatically detected and previewed
    
    ⚡ Powerful Search & Filter
    - Instant search across all JSON keys and values
    - JSONPath query support ($.users[*].name)
    - Filter results in real-time
    
    📝 Time Machine
    Browse history of recent API calls. Quickly switch between different endpoints and compare responses.
    
    🛠️ Developer Tools
    - Copy JSON paths to clipboard
    - Export to CSV format
    - Collapsible tree navigation
    - Dark theme optimized for long sessions
    
    🔒 Privacy First
    
    100% local processing. No data ever leaves your browser. No tracking, no analytics, no external servers.
    
    🚀 How to Use
    Install the extension
    Visit any URL that returns JSON
    Enjoy the beautiful viewer automatically
    
    Works with:
    - REST APIs (api.github.com, jsonplaceholder.typicode.com)
    - Local JSON files
    - Any endpoint returning application/json
    
    💡 Perfect For
    Backend developers testing APIs
    QA engineers validating responses
    Data analysts exploring JSON data
    Anyone who works with JSON daily
    
    🆓 Completely Free for Now may get paid in future.
    
    All features included. No premium tiers, no paywalls, no subscriptions.
    
    📢 Feedback & Support
    
    Love it? Rate us 5 stars!
    Found a bug? Let us know in the reviews.
    
    
    
    Note: This extension only activates on pages serving JSON content. It will not affect regular web browsing.

Permissions & access

Permissions
storageactiveTabscripting
Host access
https://www.google-analytics.com/*, <all_urls>

Screenshots

JSON Pretty Pro - JWT decoding,Time Machine,API diff tool,Tree View screenshot 1JSON Pretty Pro - JWT decoding,Time Machine,API diff tool,Tree View screenshot 2JSON Pretty Pro - JWT decoding,Time Machine,API diff tool,Tree View screenshot 3JSON Pretty Pro - JWT decoding,Time Machine,API diff tool,Tree View screenshot 4JSON Pretty Pro - JWT decoding,Time Machine,API diff tool,Tree View screenshot 5

About

JSON Pretty Pro - Beautiful JSON Viewer for Developers

Transform raw JSON into a clean, interactive viewing experience. Built for API developers who work with JSON responses daily.

🎯 Key Features

Smart JSON Formatting
View JSON in a beautiful, collapsible tree structure with syntax highlighting. Toggle between tree and table views for array data with HATEOAS support 

🎨 Visual Previews
- JSON Playground
- Validate ,Format, Minify, Download

🔑 JWT Token Decoder
Instantly decode JWT tokens with one click. See header, payload, and expiration status. No more copying to external tools.

📊 Response Comparison
Compare API responses side-by-side. Automatically detects changes between requests and highlights added, removed, and modified fields.

🎨 Visual Previews
- Color codes display as color chips
- Image URLs show inline thumbnails
- Unix timestamps convert to readable dates
- All automatically detected and previewed

⚡ Powerful Search & Filter
- Instant search across all JSON keys and values
- JSONPath query support ($.users[*].name)
- Filter results in real-time

📝 Time Machine
Browse history of recent API calls. Quickly switch between different endpoints and compare responses.

🛠️ Developer Tools
- Copy JSON paths to clipboard
- Export to CSV format
- Collapsible tree navigation
- Dark theme optimized for long sessions

🔒 Privacy First

100% local processing. No data ever leaves your browser. No tracking, no analytics, no external servers.

🚀 How to Use
Install the extension
Visit any URL that returns JSON
Enjoy the beautiful viewer automatically

Works with:
- REST APIs (api.github.com, jsonplaceholder.typicode.com)
- Local JSON files
- Any endpoint returning application/json

💡 Perfect For
Backend developers testing APIs
QA engineers validating responses
Data analysts exploring JSON data
Anyone who works with JSON daily

🆓 Completely Free for Now may get paid in future.

All features included. No premium tiers, no paywalls, no subscriptions.

📢 Feedback & Support

Love it? Rate us 5 stars!
Found a bug? Let us know in the reviews.



Note: This extension only activates on pages serving JSON content. It will not affect regular web browsing.

Technical

Version
1.0.8
Manifest
V3
Size
46.7KiB
Min Chrome
88
Languages
1
Featured
No

Metadata

ID
ghdomkhiefbalgklkbfaddbijehafpkh
Developer ID
ud66edf7acf0a5d3de04033b45e728bf6
Developer Email
[email protected]
Created
Apr 17, 2026
Last Updated (Store)
Jun 11, 2026
Last Scraped
Jun 14, 2026
Website
Support URL

Data sourced from the Chrome Web Store · last verified Jun 14, 2026.