Leetspeak Converter
Convert text into classic 1337 leetspeak.
How to Do It Manually
Leetspeak (1337speak) substitutes letters with visually similar numbers or symbols.
- A → 4, E → 3, I → 1 or !, O → 0, S → 5, T → 7, B → 8, G → 9, L → 1
- Apply substitutions to each letter in your text.
- Optionally capitalize remaining letters for emphasis.
Frequently Asked Questions
Where did leetspeak originate?
It originated in early online hacker and gaming communities in the 1980s as a way to bypass text filters and establish in-group identity.