JSON Diff Checker

Validate two JSON inputs and produce a structured, path-by-path difference report in your browser.

Private browser workspaceInput: JSON, text → Output: Diff report

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Your file never leaves this browser

Processing happens locally using browser APIs and on-device code. Closing this tab clears the working data.

How it works

Done in three simple steps

Paste the original and changed JSON.

Run the comparison.

Filter or copy the differences.

Good to know

Are my files uploaded?+

No. Your files stay on your device and are processed locally by your browser.

Does object key order matter?+

No. Objects are compared by key. Array order does matter because indexes can carry meaning.