JSON•100% Client-Side

JSON Diff Checker

Paste your original JSON on the left and modified JSON on the right. Click Compare to see every addition, deletion, and change highlighted side-by-side.Reference Spec: IETF RFC 6902 (JSON Patch Specification)→

Original JSON (Left)
Initializing Editor...
Modified JSON (Right)
Initializing Editor...

Edit both panels above, then click Compare to see the diff.

Try with Examples

Frequently Asked Questions (JSON Diff)

What is a JSON Diff tool?

A JSON Diff tool compares two JSON documents side-by-side and highlights changes (green = additions, red = deletions) at the line level.

How do I use this tool?

Paste or type your original JSON in the left panel and the modified JSON in the right panel. Click "Compare" and the diff viewer below will highlight every change.

Is this JSON comparison safe?

Yes. Like all utilities in Json Tools, all comparison runs entirely in your browser. No data is ever sent to a server.

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