JSON Viewer & Editor

Auto-format JSON responses. Tree view, search, dark mode, inline editing.

The last JSON viewer you'll ever need. JSON Viewer & Editor automatically detects when you open a JSON URL or API response and transforms the raw text into a beautiful, interactive tree view — no clicks required. Key Features: - Automatic JSON detection on any page - Collapsible/expandable tree view - Search bar with JSONPath support ($.key.nested) - Dark mode (default) and light mode - Inline editing of values - Copy JSON button (formatted) - Copy Path — click any key to copy its JSONPath - File size indicator - Expand All / Collapse All - 100% free, forever Perfect for: - API developers and testers - Frontend and backend engineers - Anyone who works with REST APIs - Debugging JSON responses How it works: Simply navigate to any URL that returns JSON (e.g., an API endpoint or local JSON file). The extension automatically replaces the raw text with an interactive tree view. No setup required. Privacy: This extension does not collect any data. It does not make any network requests. All processing happens locally in your browser.