Convert normal text to leet speak (1337 speak) instantly. Choose basic, intermediate, or advanced conversion levels and copy the result.
Choose how extreme the leet speak conversion should be
Leet speak (or 1337 speak) is an internet language where letters are replaced with numbers and special characters. Originally used by hackers and gamers in the 1980s, leet speak became popular in online gaming, forums, and chat rooms as a way to create unique usernames, bypass text filters, and communicate with a distinctive style.
This Leet Speak Translator offers three conversion levels: Basic replaces common vowels (A→4, E→3, I→1, O→0) and some consonants (S→5, T→7). Intermediate adds more letter substitutions like L→1, G→9, B→8. Advanced uses special characters like @ for A, $ for S, and # for H, creating the most extreme leet speak style.
The conversion happens instantly in your browser, so your text never leaves your device. Use it to create gaming usernames, forum handles, or just for fun communication. The result can be copied with one click and used anywhere you need distinctive text styling.
Input: "Hello World" → Basic: "H3ll0 W0rld", Intermediate: "H3110 W0r1d", Advanced: "#3110 W0r1d". Input: "Leet Speak" → Advanced: "1337 $p3@|<".