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CSV ↔ JSON Converter

Convert CSV to JSON or JSON to CSV instantly. Choose your delimiter and header options.

CSV

JSON

Convert CSV and JSON Without Losing Structure

Flip between CSV and JSON to suit the task at hand—spreadsheets for editing, JSON for APIs. The converter keeps field names, respects quoting, and preserves arrays where possible.

Practical Uses

  • Data cleaning: Edit a dataset in a spreadsheet, then convert back to JSON.
  • API prototyping: Generate sample payloads from a CSV you already have.
  • Imports/exports: Move data between tools with minimal friction.

Tips

  • Ensure header rows are present when converting CSV to JSON objects.
  • Quote fields that include commas or newlines to avoid misalignment.

Frequently asked questions

How are numbers and booleans handled?

CSV is text; the converter infers types conservatively. Adjust as needed.

Can I handle nested JSON?

Flattened structures are friendlier to CSV. Deeply nested data may need custom mapping.