JSON Compare

Free

Compare two JSON documents side-by-side with diff highlighting and tree view.

100% browser-based — data stays private

Ignore key order

JSON A

JSON B

2 difference(s)

[added]active

true

[changed]age

30 → 31

[unchanged]name

[unchanged]role

All Tools

About JSON Compare

Compare two JSON documents instantly with our free JSON Compare tool. Side-by-side view, tree diff, and highlighted differences make debugging API responses and config changes effortless.

Option to ignore key order ensures structural comparison without false positives from property ordering.

Key Features

Side-by-side JSON comparison
Tree view with color-coded diffs
Ignore key order option
Export diff report
100% client-side

How to Use

1Paste JSON A and JSON B.
2Toggle ignore key order if needed.
3Review tree or side-by-side view.
4Export diff report if needed.

Common Use Cases

API response comparison

Config file diffing

Database record comparison

Testing JSON transformations

Frequently Asked Questions

Can I compare large JSON files?+

Yes, but very large files may slow the browser since processing is client-side.

Does it ignore array order?+

Array order is preserved. Key order in objects can be ignored with the toggle.

Related Tools

JSON Formatter

Format, minify, and beautify JSON with syntax highlighting.

JSON Validator

Validate JSON syntax with detailed error messages and line numbers.

Text Compare

Side-by-side text comparison with character-level diff highlighting.

Browse more tools in JSON Tools.