DevToolsKit

JSON Compare

Free

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

100% browser-based — data stays private
2 difference(s)
[added]active
true
[changed]age
30 → 31
[unchanged]name
[unchanged]role
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About JSON Compare

JSON Compare helps you check two JSON files and quickly identify what has changed. Compare API responses, configuration files, or structured data in either a side-by-side or tree view. The tool also handles nested JSON and compares content without depending on the order of keys.

What is JSON Compare?

A JSON Compare tool shows the differences between two JSON documents. It helps when reviewing API output, checking configuration updates, confirming data changes, or comparing different versions of the same JSON file.

Why Use JSON Compare?

Finding changes manually can take time, especially with large JSON files. This tool points out added, removed, and updated values, making it easier to review data, check API responses, and verify configuration changes before moving forward.

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

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

Common Use Cases

API response comparison
Config file diffing
Database record comparison
Testing JSON transformations

Frequently Asked Questions

Can the tool handle large JSON files?+

Yes. You can compare both small and large JSON files. The time taken depends on your browser and the size of the data being compared.

Will the comparison change if the key order is different?+

No. The comparison is based on the content of the JSON, not the position of the keys. Files with the same data will match even if the key order is different.

Can it compare nested JSON objects?+

Yes. The tool checks nested objects and arrays, making it easier to review changes inside multi-level JSON structures.

Is JSON Compare available without payment?+

Yes. The tool can be used without creating an account or paying any charges.

Where is my JSON processed?+

Your JSON is processed within your browser. The data stays on your device while you compare the files.

Can I export JSON comparison results?+

Yes, you can export the generated diff report for documentation and sharing.

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