JSON Formatter Pro

Tracking since Apr 16, 2026.

Changelog

• May 30, 2026
  description

  Transform raw JSON into beautifully formatted, easy-to-read data with syntax highlighting, collapsible trees, and powerful developer tools.
  
  🎨 BEAUTIFUL FORMATTING
  • Syntax highlighting with 8 professional themes (Dark, Light, Monokai, Dracula, Solarized, GitHub, Nord, One Dark Pro)
  • Color-coded by data type (strings, numbers, booleans, null, URLs)
  • Collapsible/expandable nested objects and arrays
  • Clickable URLs with external link icons
  • Optional line numbers for reference
  
  ⚡ BLAZING FAST PERFORMANCE
  • Handles files up to 100MB+ without lag
  • Instant formatting on page load
  • Optimized for large API responses and data dumps
  
  🔧 POWERFUL DEVELOPER TOOLS
  • Search with Ctrl+F - find keys or values instantly
  • Right-click context menu for quick actions:
    - Copy value
    - Copy JSON path
    - Copy key name
  • Export options:
    - Copy formatted JSON (Ctrl+C)
    - Copy minified JSON (Ctrl+Shift+C)
    - JavaScript object literal
  • One-click expand/collapse all nodes
  
  ⚙️ CUSTOMIZABLE SETTINGS
  • Choose from 8 carefully crafted themes
  • Adjust indentation (2 or 4 spaces)
  • Toggle line numbers on/off
  • Auto-detect system theme
  • Set maximum file size limit
  • Export/import your settings
  
  🚀 INSTANT ACTIVATION
  • Automatically detects JSON pages
  • Works with API responses
  • Compatible with localhost development
  • Toggle between raw and formatted view with Ctrl+V
  • One-click reload for fresh data
  
  💡 PERFECT FOR:
  • API development and testing
  • Debugging JSON responses
  • Exploring configuration files
  • Analyzing data structures
  • Learning JSON syntax
  • Reading API documentation
  
  🔒 PRIVACY FIRST
  • All processing happens locally in your browser
  • No data sent to external servers
  • No tracking or analytics
  • Open source and transparent
  
  ⌨️ KEYBOARD SHORTCUTS
  • Ctrl+F - Open search
  • Ctrl+E - Expand all nodes
  • Ctrl+Shift+E - Collapse all nodes
  • Ctrl+V - Toggle raw/formatted view
  • Ctrl+C - Copy formatted JSON
  • Ctrl+Shift+C - Copy minified JSON
  
  Whether you're a developer working with APIs, a data analyst exploring datasets, or anyone who deals with JSON regularly, JSON Formatter Pro makes your work faster and more enjoyable.
  
  Install now and never squint at unformatted JSON again

  Transform raw JSON into beautifully formatted, easy-to-read data with syntax highlighting, collapsible trees, and powerful developer tools.
  
  🎨 BEAUTIFUL FORMATTING
  • Syntax highlighting with 8 professional themes (Dark, Light, Monokai, Dracula, Solarized, GitHub, Nord, One Dark Pro)
  • Color-coded by data type (strings, numbers, booleans, null, URLs)
  • Collapsible/expandable nested objects and arrays
  • Clickable URLs with external link icons
  • Optional line numbers for reference
  
  ⚡ BLAZING FAST PERFORMANCE
  • Handles files up to 100MB+ without lag
  • Instant formatting on page load
  • Optimized for large API responses and data dumps
  
  🔧 POWERFUL DEVELOPER TOOLS
  • Search with Ctrl+F - find keys or values instantly
  • Right-click context menu for quick actions:
    - Copy value
    - Copy JSON path
    - Copy key name
  • Export options:
    - Copy formatted JSON (Ctrl+C)
    - Copy minified JSON (Ctrl+Shift+C)
    - JavaScript object literal
  • One-click expand/collapse all nodes
  
  ⚙️ CUSTOMIZABLE SETTINGS
  • Choose from 8 carefully crafted themes
  • Adjust indentation (2 or 4 spaces)
  • Toggle line numbers on/off
  • Auto-detect system theme
  • Set maximum file size limit
  • Export/import your settings
  
  🚀 INSTANT ACTIVATION
  • Automatically detects JSON pages
  • Works with API responses
  • Compatible with localhost development
  • Toggle between raw and formatted view with Ctrl+V
  • One-click reload for fresh data
  
  💡 PERFECT FOR:
  • API development and testing
  • Debugging JSON responses
  • Exploring configuration files
  • Analyzing data structures
  • Learning JSON syntax
  • Reading API documentation
  
  🔒 PRIVACY FIRST
  • All processing happens locally in your browser
  • No data sent to external servers
  • No tracking or analytics
  • Open source and transparent
  
  ⌨️ KEYBOARD SHORTCUTS
  • Ctrl+F - Open search
  • Ctrl+E - Expand all nodes
  • Ctrl+Shift+E - Collapse all nodes
  • Ctrl+V - Toggle raw/formatted view
  • Ctrl+C - Copy formatted JSON
  • Ctrl+Shift+C - Copy minified JSON
  
  Whether you're a developer working with APIs, a data analyst exploring datasets, or anyone who deals with JSON regularly, JSON Formatter Pro makes your work faster and more enjoyable.
  
  Install now and never squint at unformatted JSON again
  
  [Changelog]
  v1.0.1
  - [Fixed]: Generic CSS class "hidden" conflicting with other website CSS

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Permissions

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