dauntexlabs

JSON Object to CSV

Map key–value objects and data pairs straight to CSV rows.

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About JSON Object to CSV

This JSON object to CSV converter is built for key and value data rather than lists of records. Paste a single object such as {"name":"Asha","plan":"pro"}, a feature flag map or a translation file, and each property becomes a pair in the CSV. It also accepts an array of [key, value] pairs, the shape you get from Object.entries or from many configuration exports.

You choose the layout. Rows puts a key, value header on top and then one line per pair, which is easy to read and sort in a spreadsheet. Columns turns the keys into a single header row with the values in the row below, which suits importing one record into a template. The conversion runs in your browser, so the data is processed on your device.

How to use

  1. Paste a JSON object, or an array of [key, value] pairs, into the JSON input box.
  2. Choose "Rows (key/value per line)" for a two-column table, or "Columns (keys / values)" for a two-row table.
  3. Check the CSV output panel, which updates as you type.
  4. Copy the result, or download it as object.csv.

FAQ

How is this different from the JSON to CSV tool?+
JSON to CSV expects an array of records and turns each object into a row with one column per field. This tool treats one object as a set of pairs and only ever produces two columns (in Rows mode) or two rows (in Columns mode), whatever the number of keys.
What happens to nested objects or arrays in the values?+
Only the top level is split into pairs. A value that is itself an object or an array is written into its cell as JSON text, so nothing is lost, but it is not flattened into extra columns.
Why do I get an error when I paste an array?+
When the input is an array, every element must be a two-item array in the form [key, value]. If you have an array of objects, use the JSON to CSV tool instead.
Can I change the delimiter?+
No, the output is always comma-separated. Values that contain a comma, a double quote or a line break are wrapped in double quotes with inner quotes doubled, so spreadsheets read them correctly. Null values become empty cells.

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