Does nested JSON work?

Nested objects are flattened where possible; deeply nested structures may need cleanup first.

Yes. Convert JSON to CSV online free.

Yes. Copy or download the result from the tool.

JSON to CSV Converter

Convert JSON to CSV online for Excel and Sheets. Free JSON to CSV converter that runs in your browser.

Data

Runs entirely in your browser — files stay on your device.

JSON

Array of objects — nested keys become dotted columns

[
  {
    "name": "Ada Lovelace",
    "role": "Engineer",
    "profile": { "city": "London", "active": true }
  },
  {
    "name": "Grace Hopper",
    "role": "Admiral",
    "profile": { "city": "New York", "active": true }
  },
  {
    "name": "Alan Turing",
    "role": "Mathematician",
    "profile": { "city": "Manchester", "active": false },
    "tags": ["crypto", "computing"]
  }
]

CSV

Spreadsheet-ready output

name,role,profile.city,profile.active,tags
Ada Lovelace,Engineer,London,true,
Grace Hopper,Admiral,New York,true,
Alan Turing,Mathematician,Manchester,false,crypto; computing

name	role	profile.city	profile.active	tags
Ada Lovelace	Engineer	London	true
Grace Hopper	Admiral	New York	true
Alan Turing	Mathematician	Manchester	false	crypto; computing

About JSON to CSV

Flatten JSON arrays into CSV rows you can open in Excel or Google Sheets.

Keep data private with local conversion.

Frequently asked questions

Does nested JSON work?: Nested objects are flattened where possible; deeply nested structures may need cleanup first.
Is JSON to CSV free?: Yes. Convert JSON to CSV online free.
Can I copy the CSV?: Yes. Copy or download the result from the tool.

[ { "name": "Ada Lovelace", "role": "Engineer", "profile": { "city": "London", "active": true } }, { "name": "Grace Hopper", "role": "Admiral", "profile": { "city": "New York", "active": true } }, { "name": "Alan Turing", "role": "Mathematician", "profile": { "city": "Manchester", "active": false }, "tags": ["crypto", "computing"] } ]

name

role

profile.city

profile.active

JSON to CSV Converter

About JSON to CSV

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JSON to CSV Converter

About JSON to CSV

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