CSV JSON Converter

Transform CSV and JSON directly in the browser. Switch directions, choose delimiters, toggle header handling, then copy or download the result for data cleanup, API work, and quick table inspection.

Local ProcessingTwo-way ConvertFile Download

Data Input

Source Data & Options

Source Input 0

Direction

Delimiter

Treat first row as headers

Quick Fill

CSV parsing supports quoted fields, commas, and new lines. JSON input supports arrays of objects and 2D arrays.

Processing Browser-only local processing

Transform Engine Native JavaScript parsing

Data Output

Conversion Result

Waiting for data input

Paste CSV or JSON on the left and the converted result will appear here in real time.

Direction CSV → JSON

Current Delimiter Comma

Rows / Items 0

Columns / Fields 0

Status Idle

CSV JSON Converter

Source Data & Options

Conversion Result

Waiting for data input

Browser-native data reshaping