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CSV to JSON Converter

Convert CSV tables into JSON arrays, or flatten JSON objects back into CSV for spreadsheets and data pipelines.

Last updated: June 2026 | By Patchworkr Team

Table Exchange
CSV Source
Preview
Showing 3 data rows.
namerolelocation
Ada LovelaceMathematicianLondon
Grace HopperComputer ScientistNew York
Alan TuringResearcher, CryptanalystBletchley Park
Delimiter
Source
Example CSV
Ready for input
Converted Output
Rows
0
Columns
0
JSON output will appear here.
Output file: JSON

How It Works

CSV input uses the first row as headers and maps each later row into a JSON object.

JSON input can be an array of objects or a single object. Nested values are flattened with dot notation.

Quoted CSV values, commas inside cells, multiline entries, and nested arrays are supported.

Format Foundry

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