Interpret Esolangs Online is a webpage that can execute esoteric languages online.

It currently supports the following:

• 6
• ABCDXYZ
• Alphuck
• APLWSI
• Arithmetic
• B2C
• Befunge-93
• Brainfuck+2
• Brainalpha
• !!brainfeed
• brainfuck
• Chicken
• ><x>
• Deadfish
• ›*&«&^
• Hello
• Hello++
• HQ9+
• HWorld
• Kipple
• <stack>
• Nil
• No.
• Nope.
• oOo CODE
• PlusIntMinus
• PlusIntOutput
• PlusOrMinus
• PlusOrOutput
• pRINT
• Poetic
• Quine
• Random Brainfuck
• ReverseFuck
• Self-modifying Brainfuck
• Self-modifying Brainfuck#
• SLet
• Text
• Weeeeeeeeeeeeeeeeeeeeeeeeeeeeee
• Welcome to Esolang, the esoteric programming languages wiki!
• Wizzcake
• Wizzcake+

How to use?

Just click the run button!

You can also generate permanent links of programs. However, it you want to do that, your program should not be too long. URL length limit no longer exists!

Interpreters

Interpret Esolangs Online uses client-side JS to implement interpreters, but a new feature has been added in June 2025 to support the execution of Python code in client-side JS (thanks to PyScript).