CSV to JSON Converter

Convert CSV with a header row into JSON objects locally, including quoted fields with commas and line breaks.

Browser-local

CSV input

Paste CSV with a header row

JSON output

Converted JSON output

Paste CSV with a header row, then convert it to JSON.

Sample input and expected output

Input name,status\nAda,ready becomes a JSON array with name and status properties.

Validation behavior

Rows with the wrong column count, blank headers, and unterminated quoted fields show clear errors before output is generated.

What this CSV to JSON does

Use this CSV to JSON converter to transform header-row CSV into an array of JSON objects. It is designed for quick API fixtures, spreadsheet exports, and data-cleanup tasks.

When developers use it

  • Convert small CSV exports into JSON for tests, mocks, or API payloads.
  • Inspect quoted cells, commas, and row counts before copying JSON.
  • Turn tabular data into structured objects without uploading a file.

Privacy, input, and output

CSV parsing and JSON generation run locally in your browser tab.

Paste CSV with a header row. Each data row becomes a JSON object keyed by the header names, and copy/download controls activate after conversion.

Validation rules and limitations

  • The first row must contain non-empty headers.
  • Every data row must have the same column count as the header row.