JSON Spark

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

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!