JSON Flattener
Flatten nested JSON into a single-level object with dotted keys.
Runs in your browserJSON → JSON
Loading tool…
Example
{"a":{"b":1,"c":[2]}}{
"a.b": 1,
"a.c.0": 2
}How to use the JSON Flattener
- Paste or type your JSON into the input area, or open a file from your device.
- Adjust the options above the editor if the tool offers any.
- Review the JSON result, then copy it or download it as a file.
Privacy and limitations
- Your data is processed on your device and is not uploaded to any server.
Related converters
JSON UnflattenerRebuild nested JSON from an object with dotted keys.JSON to Query StringConvert a JSON object into a URL-encoded query string. Arrays become repeated keys.JSON to Excel (XLSX) ConverterExport a JSON array of objects to an Excel .xlsx workbook, or an object of arrays to one sheet per key, with a live preview.JSON to JSON SchemaInfer a draft 2020-12 JSON Schema from a sample JSON document.JSON Schema ValidatorValidate JSON against a JSON Schema (draft 2020-12, 2019-09, 7 or 4) with a clear report of each error, its path and keyword.JSON to Python DataclassGenerate Python dataclasses with type hints from sample JSON.JSON to Java ClassGenerate Java POJO classes with Jackson annotations, getters and setters from sample JSON.JSON to C# ClassGenerate C# classes with System.Text.Json attributes from sample JSON.