Unknown author · Developer Tools
5 items
Prettify JSON color-coded tree views,validate,minify, JSONPath queries, JWT decoding, HATEOAS, Time Machine, API diff tool 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.
Jun 11, 2026
rating_count is the Chrome Web Store ratings count, not a written-review count.
Media assets
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Has promo video
Whether the listing includes at least one video.
Languages
Declared language locales.
Developer website
Listing exposes a developer website URL.
Contact email
Listing exposes a contact email.
Keyword in name
Case-insensitive substring match in the name.
Keyword in description
Case-insensitive substring match in the description.
Keyword occurrences in description
Count of case-insensitive occurrences in the description.
Category user-count percentile
Share of same-category extensions with fewer users (null if unknown).
These are transparent listing completeness / keyword signals, not a prediction of Chrome Web Store search ranking.