JSON Diff Tool

Compare two JSON texts online and instantly highlight differences. Perfect for debugging APIs, configuration files, and JSON responses.

How to Compare JSON Online

Paste or load the original JSON into the left box.
Paste or load the modified JSON into the right box.
Click "Compare JSON" to highlight differences.
You can also format JSON with the "Format" buttons for readability.

Example JSON

Click the button above to load a sample JSON for testing.

Common Use Cases

Compare API responses during development
Debug JSON configuration files
Review changes in JSON data
Track version differences in JSON-based documents

FAQ

Is this JSON diff tool free?
Yes, it is completely free to use.

Are my JSON files stored?
No, all comparisons run locally in your browser.

Does it validate JSON?
Yes, invalid JSON will show an error message.