CSV ⇄ JSON Converter

CSV

JSON

Delimiter

First row is header

Parse numbers

Parse booleans (true/false)

Convert "null" string to null

Treat empty CSV fields as null

Output Format

Minify JSON (compact)

Omit empty fields from JSON

Enable nested JSON (e.g. user.id)

Key JSON by Column Header Requires header row. Disables JSON Lines.