Leetspeak Translator

Turn your messages into cool Leetspeak

Co-authored by Caroline Heiderscheit

Last Updated: September 19, 2025 Fact Checked

Welcome to the Leetspeak Translator (also known as 1337 5p34k)—where normal text gets rekt. Whether you're throwing it back to the early internet, coding in style, or just wanna confuse your friends, this tool turns plain words into elite, gamer-approved lingo.

Type your message in, and we'll l33t it out.

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A woman sitting at a laptop. A bubble graphic beside her head reads "kewl."

What is Leetspeak? Plus, Common Substitutions

Leetspeak—also known as leet, 1337, or hacker speech—is an informal, stylized language used primarily on the internet. In Leetspeak, standard letters are replaced by numbers or characters that resemble the letters.

Here are common Leetspeak substitutions:

A = 4, /-\, @, ^, /\ , //-\\ /=\
B = 8, ]3, ]8, |3, |8, ]]3, 13
C = (, { , [[, <, €
D = ), [}, |), |}, |>, [>, ]]), Ð
E = 3, ii, €
F = |=,(=, ]]=, ph
G = 6, 9, (_>, [[6, &, (,
H = #, |-|, (-), )-(, }{, }-{, {-}, /-/, \-\, |~|, []-[], ]]-[[,╫
I = 1, !, |, ][, []
J = _|, u|, ;_[], ;_[[
K = |<, |{, ][<, ]]<, []<
L = |,1, |_, []_, ][_, £
M = /\/\, |\/|, [\/], (\/), /V\, []V[], \\\, (T), ^^, .\\, //., ][\\//][,JVL
N = /\/, |\|, (\), /|/, [\], {\}, ][\][, []\[], ~
O = 0, (), [], <>, *, [[]]
P = |D, |*, |>, []D, ][D
Q = commas are necessary: (,) or 0, or O, or O\ or []\
R = |2, |?, |-, ]]2 []2 ][2
S = 5,$,š
T = 7, +, ']', 7`, ~|~, -|-, '][', "|", †
U = (_), |_|, \_\, /_/, \_/, []_[], ]_[, µ
V = \/ , \\//,√
W = \/\/, |/\|, [/\], (/\), VV, ///, \^/, \\/\//, 1/\/, \/1/, 1/1/
X = ><, }{, )(, }[
Y = '/, %, `/, \j , ``//, ¥, j, \|/, -/
Z = 2, z, 7_,`/_