tdf Transform data format cli. usage $ npm install -g tdf $ echo -e "aaa,bbb\n111,222" > sample.csv $ tdf sample.csv [{"aaa":"111","bbb":"222"}] $ $ echo '[{"aaa":"111","bbb":"222"}]' > sample.json $ tdf sample.json aaa,bbb 111,222 requirements nodejs@4.0.0 ~