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JSON Diff
Compare two JSON structures and see a list of differences by path.
How to use this tool
- Paste JSON payloads into the left and right editors.
- Use Pretty Print on either side before comparing if inputs are hard to scan.
- Review path-level differences, then copy the diff output when needed.
Where this helps
- Check API response changes between versions or environments.
- Review config updates before deployment.
- Spot missing keys, type mismatches, and value changes quickly.
How matching works
- Object keys are compared by name, independent of key order.
- Arrays are compared by index, so reordering items appears as differences.
- All parsing and diffing runs in-browser.
FAQ
- Does this ignore key order in objects?
- Yes. Objects are compared by key presence and values rather than insertion order.
- Can I ignore specific paths?
- Not currently. Remove or normalize keys before comparing when you want to exclude fields.
- Is my JSON uploaded?
- No. Data stays local in your browser.
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