How is JSON Diff different from Text Diff for JSON?

Text Diff compares raw strings line by line and is sensitive to key ordering and whitespace. JSON Diff parses both objects structurally, so it correctly identifies changed values even if key order differs between the two JSON objects.

Does it handle JSON arrays?

Yes. Arrays are compared element-by-element by index. Array items that are objects are compared recursively. If array lengths differ, the extra elements are shown as added or removed.

Can I paste minified JSON?

Yes. The tool auto-formats both inputs before comparing, so minified JSON, pretty-printed JSON, and JSON with inconsistent whitespace all compare correctly.

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JSON Diff

Name: JSON Diff
Rating: 4.8 (120 reviews)
Author: DailyDevTools

Compare two JSON objects side-by-side

Original JSON

Modified JSON

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What is JSON Diff?

When debugging API changes or reviewing configuration updates, comparing two JSON objects field-by-field is far more useful than a plain text diff. DailyDevTools' JSON Diff tool performs a structural comparison of two JSON objects or arrays, highlighting added keys (green), removed keys (red), and changed values (yellow) — even in deeply nested structures — with a clean tree view.

How to use JSON Diff

1Paste the original JSON in the left panel and the modified JSON in the right panel
2The diff highlights added, removed, and changed fields instantly
3Expand or collapse nested objects to focus on the changed sections
4Use 'Show only differences' to hide unchanged fields and focus on what changed

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JSON Diff

What is JSON Diff?

How to use JSON Diff

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