Formalint

Browser-based developer tools

CSV to JSON

Convert CSV rows into formatted JSON arrays using the first row as object keys.

Open JSON formatter

CSV Input

0 bytes

JSON Result

Ready

JSON FormatterValidate and inspect JSON XML FormatterFormat and convert XML Regex TesterPattern matching and groups

Reference notes

Tabular data for APIs and fixtures

Header row

The first CSV row is used as object keys, which is the most common format for spreadsheet exports.

Quoted values

The parser handles quoted fields, commas inside quotes and escaped quote characters.

Formatted output

JSON output is pretty-printed so it can be copied into tests, docs and API examples.