JSON Viewer and Editor

Version 1.3.0

Professional Chrome extension for viewing, editing, and querying JSON with powerful features including SharePoint compatibility, JSONPath queries, and real-time validation.

The Complete JSON Tool for Developers

Transform how you work with JSON data. View, edit, validate, and query JSON with the most complete Chrome extension for developers.

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Four Powerful View Modes

Switch between different views to work with JSON your way:

  • Pretty - Syntax-highlighted formatting
  • Tree - Interactive collapsible explorer
  • Raw - Original unmodified source
  • Edit - Real-time JSON editor (NEW!)
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Advanced JSONPath Queries

Extract and filter data with powerful JSONPath queries:

  • Full JSONPath-Plus specification
  • Query history with one-click reuse
  • Export filtered results
  • Inline syntax guide and examples
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In-Browser JSON Editing

Edit JSON directly without external tools:

  • Real-time validation as you type
  • Save changes to update all views
  • Visual indicators for modifications
  • Download edited versions
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SharePoint & OneDrive Compatible

Works where other extensions fail:

  • SharePoint Online REST APIs
  • OneDrive file metadata
  • Microsoft Graph API responses
  • Large files (10MB+) supported
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Beautiful Themes

Eye-friendly interface with multiple theme options:

  • Auto-detect system preferences
  • Dark mode for night coding
  • Light mode for daytime work
  • Instant theme switching (press D)
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Privacy Focused

Your data stays yours, always:

  • Zero data collection
  • No external servers
  • No tracking or analytics
  • 100% local processing

Developer Productivity

Built for speed and efficiency:

  • Keyboard shortcuts (1-4, Ctrl+F)
  • Instant validation on page load
  • Copy/Download in any format
  • Error detection with line numbers
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Perfect For

Designed for professionals across domains:

  • API Developers & Testers
  • SharePoint Administrators
  • Data Analysts & Engineers
  • DevOps Engineers

Release Notes

Regular updates with new features, improvements, and bug fixes

v1.3.0 Latest
October 14, 2025
  • New Full JSON editing mode with real-time validation
  • New Visual indicators for unsaved changes
  • New Save/Reset controls with confirmation dialogs
  • New Export edited JSON functionality
  • Fix Enhanced SharePoint compatibility
  • Fix Improved error messages with specific guidance
v1.2.0 October 10, 2025
  • New Full JSONPath-Plus library integration
  • New Query history with quick reuse
  • New Inline results modal for queries
  • New Help tooltips and syntax guides
  • Fix Improved title handling for pages
v1.1.0 September 2025
  • New Interactive tree view with expand/collapse
  • New Search functionality across all views
  • New Theme support (System/Dark/Light)
  • Fix Performance optimizations for large files
v1.0.0 August 2025
  • Initial Initial release with Pretty and Raw views
  • Initial Basic JSON formatting and validation
  • Initial Syntax highlighting for all JSON types
  • Initial Copy and download functionality

Useful Resources

Additional tools and resources for working with JSON

Ready to Transform Your JSON Workflow?

Install the JSON Viewer and Editor extension today and experience the most powerful JSON tool for Chrome. Free forever, no ads, no tracking.

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