Chuangge Toolbox

CSV to JSON

Parse simple CSV to a 2D JSON array.

Enter text and click run.

Input

JSON to CSV
Turn JSON array of rows into CSV.
Join lines
Join lines with delimiter from second box.
Encoding kit
Switch tabs: Unix time ↔ rich date formats (sec/ms, offsets, relative time), batch UUID v4, UTF-8 ↔ Base64, URL encode/decode. Everything runs locally in your browser.