A base64 Raw / URL Encode / Decode, tool written in Go. It does not add the trailing new line character (K).
brew tap mahe54/homebrew-b64
brew install b64
b64 -e SomethingToEncode
echo "SomethingToEncode" | b64 -e
b64 -d U29tZXRoaW5nVG9FbmNvZGU=
echo "U29tZXRoaW5nVG9FbmNvZGU=" | b64 -d
b64 -e -u SomethingToEncode
echo "SomethingToEncode" | b64 -e -u
b64 -d -u U29tZXRoaW5nVG9FbmNvZGU
echo "U29tZXRoaW5nVG9FbmNvZGU" | b64 -d -u