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

by automatic.self.attendance · Developer Tools

Manifest V3 Free

View in Chrome Web Store Data as of 17 Oct 2026

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

Users

0 in 30 days

Rating

5.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#171K

#143K among extensions

Version

1.0.8

updated 11 Jun 2026

Users

monthly, 6 months

Latest, 17 Oct 2026: 14 usersMove the mouse over the chart for any month

Ratings count

monthly, 6 months

Latest, 17 Oct 2026: 1 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

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

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.