Leet Speak Converter

Conversion

Convert plain text to leet speak (1337) substitutions.

Formula

a→4, e→3, i→1, o→0, t→7, s→5, g→9, b→8
  • Basic level-1 leet substitutions only. Many variations exist.

Leet Speak Converter Example

Inputs
  • Text: Hello World

Hello World → H3ll0 W0rld

Frequently asked questions

How do I use the Leet Speak Converter?
Enter the value in the input field and the result updates immediately.
How accurate is this converter?
Uses internationally recognised conversion factors. Results are rounded to the displayed decimal places.
Can I verify this manually?
Yes — apply the formula shown above step by step.