JSON Diff Tool

Compare two JSON documents and visualize differences. All processing happens locally in your browser.

config.json

Diff Options

left.json
right.json
diff
No differences found
Added Removed Changed Unchanged

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Frequently asked questions

Paste the original JSON on the left and the modified JSON on the right. The tool automatically highlights added (green), removed (red), and changed (orange) values. Configure options like ignoring whitespace or key order.

No. All diffing happens 100% client-side in your browser. Your data never leaves your machine.

When enabled, {a:1, b:2} and {b:2, a:1} are considered equal. When disabled, key order differences are flagged as changes.

Yes, the tool handles large JSON structures. For very large files, consider using the 'Show unchanged values' option sparingly as it increases output size.

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