What Is Leetspeak?
Leetspeak grew out of early online communities, where replacing letters with numbers gave text a distinctive insider style. This guide explains the classic swaps and where the style came from.
What is the Leetspeak Converter?
Leetspeak Converter swaps certain letters for lookalike numbers, turning plain words into classic hacker-style text. The letter A becomes 4, E becomes 3, I becomes 1, O becomes 0, S becomes 5, and T becomes 7, with a few extra swaps for good measure.
How to use it
- Type or paste your text into the box.
- Click Convert.
- Copy the leetspeak version.
Worked example
For 'elite hacker', the output is '31173 h4ck3r'.
Why do people still use leetspeak?
Mostly for fun and style now, in usernames, memes, and gaming handles. It is a playful nod to early internet culture rather than a serious code.
Frequently asked questions
Can leetspeak be converted back to normal text?
Not reliably, because several letters can share one number, so the original wording cannot always be recovered.
Does it change capital letters?
The swaps apply regardless of case, and all other characters are left exactly as typed.