JSON Spark

The JSON tool you can trust. Fast, beautiful, private.

As of June 2026, JSON Spark has — users in the Developer Tools category.

jarp_dev Developer Tools

Chrome Web Store ↗.crx

Users0%

—

—

Rating0%

—

— reviews

Reviews0%

—

Version

2.0.1

Manifest V3

History

5 snapshots

Tracking since May 1, 2026.

View as table

Date	Users	Rating	Reviews	Version
May 1, 2026	1	—	—	2.0.1
May 7, 2026	—	—	—	2.0.1
May 12, 2026	1	—	—	2.0.1
May 31, 2026	—	—	—	2.0.1
Jun 6, 2026	1	—	—	2.0.1
Now	—	—	—	2.0.1

Permissions & access

Permissions: activeTabclipboardWritecontextMenusstoragescripting
Host access: None declared

Screenshots

JSON Spark screenshot 1

JSON Spark screenshot 2

JSON Spark screenshot 3

JSON Spark screenshot 4

JSON Spark screenshot 5

About

A modern, feature-rich JSON viewer Chrome extension

Features
🌳 Six Powerful Views
View > Description
Tree > Collapsible tree with search, expand/collapse all, level control
Raw > Syntax highlighted JSON with line numbers, prettify/minify
Table > Arrays of objects rendered as sortable tables
Diff > Side-by-side comparison with change highlighting
Edit	> Full-featured editor with validation, bracket matching, folding
Saved > Bookmark JSONs locally for quick access

✨ Key Features
Context Menu: Copy Key, Copy Path (JSONPath), Copy Value, Copy Formatted
Search: Real-time search with match navigation (⌘F)
Sort Keys: 3-state sorting — Original → A-Z → Z-A
Filter to Node: Focus on any subtree
Themes: Dark / Light / System auto-detection
Keyboard Shortcuts: Full keyboard navigation (⌥1-6 for views)
URLs & Emails: Clickable links detected automatically
Download: Export formatted JSON as .json file

✏️ Edit Mode Pro
Indent Toggle: 2 spaces → 4 spaces → Tab (auto re-formats)
Word Wrap: Toggle line wrapping
Font Size: Adjustable (10-24px)
Bracket Matching: Highlights matching {}[]
Format on Paste: Auto-prettifies valid JSON
Fold/Unfold: Collapse objects and arrays
Cursor Position: Live Ln/Col display

Open Source!

Technical

Version: 2.0.1
Manifest: V3
Size: 130KiB
Min Chrome: 88
Languages: 1
Featured: No

Metadata

ID: agcghpjcpkooeifihncpfehnmamclabo
Developer ID: u262f0a5bf48a45f9d49a7c7af03f2867
Developer Email: [email protected]
Created: Feb 27, 2026
Last Updated (Store): Mar 22, 2026
Last Scraped: Jun 6, 2026
Website: —
Support URL: https://github.com/jrodrigopuca/json-spark/issues
Privacy Policy: https://github.com/jrodrigopuca/json-spark/blob/main/PRIVACY.md

Similar extensions

Alternatives to JSON Spark, ranked by description similarity.

Formatted, collapsible, copyable JSON viewer with advanced features and simple interface.

JSON Format - Easy & Powerful Viewer

Lightweight JSON formatter for Chrome. Features include collapsible trees, history records, and side-by-side comparison.

JSON Viewer Chrome Extension

JSON Viewer, support tree view, formatted beautiful text view, a most beautiful and customizable JSON/JSONP highlighter

Beautiful JSON viewer with Tree, Schema, YAML, and Raw views.

JSON Viewer Pro Expand,Editor,Auto,Drag-Drop,Output Dump 2 json By PatilWeb

View, format, edit, expand/collapse, drag & drop, and export JSON with advanced features in Chrome.

JSON Viewer Pro

Advanced JSON viewer with formatting, validation, highlighting, and workspace features

Most aesthetic & customizable JSON/JSONP viewer with themes, custom search, syntax highlighting/checking & copy features.

Automatically formats and displays JSON responses in a collapsible tree view with syntax highlighting

Data sourced from the Chrome Web Store · last verified Jun 6, 2026.