Leet Speak Converter
Convert text to 1337 5p34k — classic hacker-style letter substitutions, two intensity levels.
Runs locally in your browser. Your input is not uploaded.
How to Use
- 1
Type normal text
Any English text works.
- 2
Pick a level
Basic for readability, Advanced for maximum leet.
- 3
Copy your 1337
Use it in tags, handles, and jokes.
Frequently Asked Questions
- A style from 1980s-90s hacker culture where letters are replaced with similar-looking digits and symbols — elite becomes 31337. It survives in gamer tags and passwords.
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