OFTOnline Free Tools

JSON Compare Tool

Compare two JSON objects and find differences instantly

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Original JSON

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Modified JSON

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Deep Comparison

Performs deep object comparison to detect all differences including nested fields and arrays.

File Upload

Upload JSON files directly or paste JSON text. Supports large files with instant processing.

Line Numbers

Built-in line numbers for easy reference and navigation through your JSON documents.

Frequently Asked Questions

What is JSON comparison?

JSON comparison is the process of finding differences between two JSON objects or files. It identifies added, removed, and modified fields to help you understand what changed between two versions of data.

Can I upload JSON files to compare?

Yes! Our JSON comparison tool supports both text input and file upload. You can paste JSON directly into the editors or upload .json files from your computer.

What types of differences can be detected?

The tool detects three types of differences: Added fields (present in second JSON only), Removed fields (present in first JSON only), and Changed fields (different values between the two JSONs).

Is my JSON data secure?

Absolutely! All JSON comparison happens entirely in your browser. No data is sent to any server, ensuring complete privacy and security of your information.