Files stay on your device
Free. No account needed.Flatten JSON paths
Represent nested JSON as JSON Pointer paths and leaf values.
Result
Enter your values. Your result will appear here.
How it works
- Inspect the example or enter your own input.
- Check the units and operation, then run the tool.
- Review the result, then copy or download it. Keep a copy of your original data.
Example & practical use
Starting example: Input: {"product":{"name":"Mug","sizes":["S","M"]}}
Limits and help
Empty arrays and objects are preserved as leaves. Keys use RFC 6901 escaping. Runs on your device without uploading input. Maximum 200,000 characters per field; numeric calculations use finite JavaScript numbers unless exact integer/decimal arithmetic is stated.
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Troubleshooting
Valid JSON uses double quotes and does not allow comments or trailing commas. Check the error location. Compare large numeric identifiers with the original; represent identifiers as strings when your format permits.