JSON Formatter Pro

About

JSON Formatter Pro automatically detects and formats JSON responses in your browser with beautiful syntax highlighting.

FEATURES:

Auto-Detection & Formatting
- Automatically detects JSON content on any page and formats it instantly
- No need to copy-paste into external tools

Syntax Highlighting
- Color-coded JSON with distinct colors for strings, numbers, booleans, null values, and keys
- Makes large JSON payloads easy to scan and read

Tree View
- Collapsible/expandable tree structure for navigating complex nested JSON
- Click any node to expand or collapse its children

JSON Path Display
- Hover over any value to see its full JSON path (e.g., $.data[0].name)
- Click to copy the path to your clipboard

Dark & Light Themes
- Beautiful dark mode (default) and light mode
- Your preference is saved automatically

Customizable Indentation
- Choose between 2 spaces, 4 spaces, or tab indentation
- Settings persist across browser sessions

100% Local Processing
- All JSON formatting happens entirely in your browser
- No data is ever sent to any server
- No tracking, no analytics, no data collection whatsoever

PERFECT FOR:
- API developers inspecting REST/GraphQL responses
- QA engineers debugging API calls
- Data analysts reviewing JSON datasets
- Anyone who works with JSON regularly

Lightweight, fast, and privacy-focused. JSON Formatter Pro is the only JSON viewer you'll ever need.