JSON Diff Viewer
JSON Diff Viewer.
View structural differences between two JSON files.
Your files never leave your device
What it does
View structural differences between two JSON files.
Why use it
JSON Diff Viewer transforms JSON in your browser — private, free, no sign-up.
Example input
File A:
{"status": "draft", "email": "a@x.com"}
File B:
{"status": "published", "email": "alice@example.com"} Example output
--- a.json +++ b.json @@ email @@ -a@x.com +alice@example.com
Frequently Asked Questions
Is my data uploaded when using JSON Diff Viewer?
No. All processing runs locally in your browser. Your files never leave your device.
Do I need an account?
No account is required. All tools are free and work instantly.