Compare Two JSON Documents
Find the differences between two JSON documents: paste both, get an exact line-by-line diff with additions and removals highlighted. Runs entirely in your browser.
Differences: 5
{- "age": 30,+ "age": 31,"city": "Berlin",- "name": "Alice"+ "name": "Alice",+ "vip": true}
Frequently asked questions
How do I compare two JSON files?
Paste the first JSON into the left field and the second into the right field. The tool normalizes formatting and shows a line-by-line diff.
Does key order matter?
No — objects are compared semantically: {"a":1,"b":2} and {"b":2,"a":1} are identical.
Is my data uploaded to a server?
No — the comparison runs entirely in your browser. Nothing is sent anywhere.