JSON Diff & Comparison Tool

Compare two JSON files side-by-side and highlight the differences. Perfect for version control, API testing, and data validation.

JSON Comparison
Compare two JSON objects side by side. The left editor is synced with the main editor.
Enter JSON in both editors to see the comparison.
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JSON Comparison Features

Diff Features

  • • Side-by-side JSON comparison
  • • Highlighting of differences
  • • Line-by-line change detection
  • • Added, removed, and modified content
  • • Nested object comparison
  • • Array element differences

Use Cases

  • • API response comparison
  • • Configuration file changes
  • • Database record comparison
  • • Version control diffs
  • • Data migration validation
  • • Testing and QA workflows

How to Compare JSON Files

  1. Paste or upload your first JSON document in the left panel
  2. Paste or upload your second JSON document in the right panel
  3. The tool will automatically highlight differences between the files
  4. Green highlights show additions, red shows deletions
  5. Modified lines are shown with both colors
  6. Use the comparison view to understand what has changed