JSON Diff Tool

Compare two JSON objects and visualize the differences.

Original JSON

Modified JSON

JSON Diff Tool

Free online JSON Diff tool. Compare two JSON objects side-by-side and highlight differences. Essential for debugging API responses and configuration files.

📖How to Use

1Input Original

Paste the original JSON into the left text area.

2Input Modified

Paste the modified JSON into the right text area.

3Compare

Click the 'Compare' button to see the differences.

4Analyze

Additions are highlighted in green, and deletions in red.

💡Common Use Cases

Debugging API responses by comparing expected vs. actual output.

Tracking changes in configuration files (e.g., package.json, tsconfig.json).

Verifying data migration integrity.

❓Frequently Asked Questions

Does it support unquoted keys?

Yes, our tool supports JSON5 (Relaxed JSON), so unquoted keys and trailing commas are accepted.

Is my data safe?

Absolutely. All comparisons are performed locally in your browser. No data is sent to our servers.

JSON Diff Tool