Chuangge Toolbox

Duplicate lines

List lines that appear more than once.

Enter text and click run.

Input

Join lines
Join lines with delimiter from second box.
Shuffle lines
Randomly shuffle lines.
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.