Decode a JWT via command line

jwt-decode.sh

function jwt-decode() {
  sed 's/\./\n/g' <<< $(cut -d. -f1,2 <<< $1) | base64 --decode | jq
}

JWT=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiYWRtaW4iOnRydWV9.TJVA95OrM7E2cBab30RMHrHDcEfxjoYZgeFONFh7HgQ

jwt-decode $JWT

why not just cut -d"." -f1,2 <<< $1 | sed 's/\./\n/g' | base64 --decode | jq?

With just jq: jq -R 'split(".") | .[1] | @base64d | fromjson' <<< "$JWT"

@lukaslihotzki, nice work :)

With just jq: jq -R 'split(".") | .[1] | @base64d | fromjson' <<< "$JWT"