JSON to CSV
Flatten a JSON array of objects into a CSV spreadsheet.
JSON input (array of objects)
CSV output
About the JSON to CSV
Convert an array of JSON objects into CSV rows, flattening nested objects into dot-notation column headers. Turn on deep flattening to expand nested arrays into indexed columns, choose your key separator and delimiter, and toggle the header row.
Examples
Array of objects
[{"name":"Ada","city":"London"}]Output
name,city
Ada,LondonKeyboard shortcuts
- Copy the main outputCtrl / ⌘ + Shift + C
- Download the resultCtrl / ⌘ + S
- Share this toolCtrl / ⌘ + Shift + S
- Reset the inputsAlt + R
- Open the tool search paletteCtrl / ⌘ + K
Related tools
JSON to XML
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JSON to YAML
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Csv To Json
Converters
Convert between CSV and JSON with delimiter and header options.
JSON Compare
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Diff two JSON documents and list added, removed, and changed paths.
JSON Formatter
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Pretty-print and beautify JSON with custom indentation.
JSON Key Sorter
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Sort JSON object keys alphabetically, naturally, or by array field.
Frequently asked questions
Read more
- A practical guide to formatting, validating and converting JSON
Indentation, key sorting, common parse errors, and when to convert JSON to YAML, XML or CSV instead.
- A SQL playground that runs in your tab: CSV import, schema explorer and exportable results
Practise SQL, prototype a query or analyse a CSV without installing a database. How SQLite-in-WebAssembly makes a private, zero-setup playground possible.
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Version 1.0.0 · Updated 2026-08-06 · Runs entirely in your browser