Does it work with nested arrays and objects?

Yes, it recursively compares nested objects and deep array elements up to 50 levels of depth.

Quick Switch

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JSON Diff Checker

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Compare two JSON objects and see the differences.

100% In-Browser Execution

Ignore key order (sort keys)

Original JSON (A)202 chars

{
  "appName": "Adyve DevTools",
  "version": "1.0.0",
  "features": [
    "JSON Formatter",
    "JWT Decoder"
  ],
  "config": {
    "theme": "dark",
    "offlineMode": false,
    "timeout": 3000
  }
}

Modified JSON (B)270 chars

{
  "appName": "Adyve DevTools Pro",
  "version": "1.1.0",
  "features": [
    "JSON Formatter",
    "JWT Decoder",
    "Regex Tester",
    "JSON Diff"
  ],
  "config": {
    "theme": "system",
    "offlineMode": true,
    "timeout": 3000
  },
  "status": "production"
}

Tool Documentation, Shortcuts & FAQs

How to Use JSON Diff Checker

1Paste your original JSON in the left panel ('Original JSON').
2Paste your updated or modified JSON in the right panel ('Modified JSON').
3Toggle 'Sort Keys' if you want key-order independent comparison.
4Click 'Compare JSON' to inspect the detailed diff tree and change statistics.

Key Capabilities

Semantic Key-Order Independence

Optionally sort keys alphabetically before diffing so reordered JSON properties aren't falsely flagged as changed.

Visual Change Highlighting

Color-coded additions (green), removals (red), and value modifications (amber) for effortless visual inspection.

Diff Summary Metrics

Live tally of total additions, deletions, and modifications across the payload.

Private In-Browser Diffing

Compare proprietary API payloads and production configurations without sending sensitive data to third parties.

Frequently Asked Questions

Standard text diff tools flag lines as different if key order changes or whitespace differs. Semantic JSON diffing parses both payloads into object trees and compares data values regardless of line breaks or formatting.

Zero Data Retention

All calculations are performed strictly in client-side memory using your browser engine. No data is ever sent across the network.

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