Runs 100% in your browser
Your data never leaves your device. zero uploads.
Use a structured diff when testing a response change or reviewing a configuration revision. Inspect the surrounding object and property path to understand a changed value. Keep representative samples small enough to review comfortably.
Compare a saved response with a new response that adds an optional property. Check the addition before updating a fixture.
The tool compares the supplied documents, not a JSON Schema or remote API contract. It does not merge changes into another system.
Paste the original JSON and the comparison JSON. Check that both inputs parse successfully. Inspect added, removed, and changed values in the comparison.
The tool compares the supplied documents, not a JSON Schema or remote API contract. It does not merge changes into another system.
No registration, no tracking of your content, no server uploads. Don't just take our word for it:
Your files and text are processed entirely on your device. Nothing is ever sent to us.
Once loaded, this tool keeps working with your Wi-Fi turned off. Try it.
Open your browser's DevTools → Network tab. You'll see zero requests carrying your data.
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