compare

JSON Compare

Compare Two JSON Files Online

folder JSON Tools update Updated September 16, 2026 visibility 1 uses lock_open Free
cloud_off Runs in browser — data never leaves your device
security No login required
bolt Fast & unlimited
input Input
Ctrl+Enter to process  |  Ctrl+Shift+C to copy
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Output will appear here after processing

About JSON Compare

Compare two JSON objects side by side and instantly see the differences highlighted.

starKey Features

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Side-by-side comparison
Side-by-side comparison — a core feature of JSON Compare that helps you work more efficiently.
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Highlight differences
Highlight differences — a core feature of JSON Compare that helps you work more efficiently.
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Added/removed/changed
Added/removed/changed — a core feature of JSON Compare that helps you work more efficiently.
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Deep comparison
Deep comparison — a core feature of JSON Compare that helps you work more efficiently.

help_outlineHow to Use

1
Paste Your Input
Paste your JSON data into the dark input textarea on the left side of the tool.
2
Click Process
Press the Process button or use Ctrl+Enter to run the JSON Compare tool on your input data.
3
Review the Output
The processed result appears in the output panel. Check the status bar for validation feedback or error messages.
4
Copy or Download
Copy the output to your clipboard with the Copy button, or download it as a file using the Download button.

lightbulbUse Cases

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Compare API versions
Use JSON Compare for compare api versions directly in your browser — no signup or installation required.
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Config file auditing
Use JSON Compare for config file auditing directly in your browser — no signup or installation required.
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Code review
Use JSON Compare for code review directly in your browser — no signup or installation required.
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A/B test data
Use JSON Compare for a/b test data directly in your browser — no signup or installation required.