JSON Diff
Compare JSON online. Find differences and detect changes with visual highlighting.
Left Side (Original)
Right Side (Modified)
How to Compare JSON Online
Left Side (Original)
- Paste your original JSON or use sample data
- This represents your baseline or "before" state
- Can be uploaded from a file
Right Side (Modified)
- Paste your modified JSON or use sample data
- This represents your "after" state
- Can be uploaded from a file
Understanding the Results
- Green highlights: Content added in the modified JSON
- Red highlights: Content removed from the original JSON
- Blue highlights: Content modified between versions
- Gray text: Unchanged content (context)
JSON Diff Use Cases for Developers
API Testing
Compare API responses before and after changes to ensure data integrity. Use JSON diff tool with highlights for API testing.
Version Control
Track changes between different versions of configuration files or data structures. JSON changes tracker for version control.
Debugging
Identify exactly what changed when debugging application issues or data inconsistencies. Find differences in JSON for quick debugging.
Data Validation
Verify data transformations and ensure all expected fields are present or modified correctly.
Migration Testing
Compare data before and after migration processes to ensure nothing was lost or corrupted.
Code Review
Review JSON structure changes during code reviews and pull request evaluations.
About JSON Diff Tool
Our JSON diff tool provides a comprehensive comparison between two JSON objects, highlighting all differences with clear visual indicators. Whether you're debugging API responses, tracking configuration changes, or validating data transformations, this tool makes it easy to spot exactly what has changed with JSON diff tool with highlights.
The comparison is performed entirely in your browser, ensuring complete privacy and security. No data is sent to any servers, and all processing happens locally on your device.
Key Features
- Side-by-side JSON comparison with syntax highlighting
- Clear indicators for added, removed, and modified content
- JSON change detector for nested JSON structures
- JSON diff viewer with visual diff highlighting
- Compare two JSON files online with file upload support
- JSON diff with line numbers for precise tracking
- 100% client-side processing for complete privacy