PHP to JavaScript to Brainfuck to HQ9+

echo "console.log('++++++[>++++++++++++<-]>.');";

JavaScript to C to PHP to JavaScript to Brainfuck to HQ9+

atob("bWFpbigpe3B1dHMoImVjaG8gXCJjb25zb2xlLmxvZygnKysrKysrWz4rKysrKysrKysrKys8LV0+LicpO1wiOyIpO30=")

This outputs :

main(){puts("echo \"console.log('++++++[>++++++++++++<-]>.');\";");}

Which outputs :

echo "console.log('++++++[>++++++++++++<-]>.');";

Which outputs :

console.log('++++++[>++++++++++++<-]>.');

Which outputs :

++++++[>++++++++++++<-]>.

Which outputs :

H

Which outputs :

Hello World!

JavaScript to Brainfuck back to JavaScript

console.log('++++++++++[>+>+++>+++++++>++++++++++<<<<-]>>>>-.++++++++++++.-.+++++.----.---.-------.<<++++++++++++++++.>>+++++++.+++.--------.<<------.>>-----------<<-.>++.>+++++++++.+++++++..+++.<<-------.>+++++++++++++++.>.+++.------.--------.<<+.>+++++<++++++.++.++++++++++++++++++.');

PHP to JavaScript to Brainfuck to HQ9+

echo "console.log('++++++[>++++++++++++<-]>.');";