JSON Diff - Free Online Tool | PivaBox

Compare two JSON objects and find differences — visual tree with color-coded changes

How to Use JSON Diff

1. Paste the original JSON into the JSON A (left) textarea
2. Paste the modified JSON into the JSON B (right) textarea. You can use Format to auto-format both inputs
3. Click Compare to perform a deep comparison. Results appear as a tree with color-coded keys

Frequently Asked Questions

Is JSON Diff free?

Yes, PivaBox JSON Diff is completely free to use with no limits or hidden fees.

Are my JSON objects uploaded to a server?

No. All comparison logic runs entirely in your browser using pure JavaScript. Your data never leaves your device.

What do the colors mean?

Green indicates a key that was <strong>added</strong> (exists only in B). Red indicates a key that was <strong>removed</strong> (exists only in A). Yellow indicates a <strong>changed</strong> value. White/no-color indicates the value is the <strong>same</strong> in both objects.