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JSON flattener
Flatten nested JSON into a map of JSON Pointer paths and values. Use it in your browser, with no account required.
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How to use
- 1Enter your values and choose the options.
- 2Run the tool and review the result.
- 3Copy the result or save it as a file.
Good to know
Uses JSON Pointer. Reconstruction preserves numeric object keys rather than guessing arrays.
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Worked input and output example
These results come from this tool’s actual engine using the sample values below, not your personal input or saved work. Load the example in the tool to inspect the same inputs.
Example input
| Field | Value |
|---|---|
| JSON | {"user":{"name":"Alice","score":90}} |
Example result
{
"/user/name": "Alice",
"/user/score": 90
}