Leet Speak Text Generator
Convert any text into leet speak letters such as 1337 5p34k and copy the full alphabet below.
Leet Speak Converter and Decoder
Convert text into leet speak letters and see exactly which characters stay plain, how many characters X counts, and decode leet speak text pasted from anywhere back into normal letters.
What Leet Speak Letters Are
Leet speak (1337) swaps letters for digits that look alike: 4 for A, 3 for E, 1 for I or L, 0 for O, 5 for S and 7 for T. It started in 1980s hacker culture.
Click a tile to see the character behind each letter of "Leet" and its code point.
Which Characters Leet Speak Converts
This style restyles 20 of the 62 basic characters (A–Z, a–z, 0–9), from the Digits as letters range. Capitals: 48CD3F9H1JK1MN0PQR57UVWXY2. Digits stay plain.
Leet Speak Text Ideas
Tap an idea to copy it in leet speak letters.
How Much Space Leet Speak Text Takes on X
X counts most styled characters as 2. Here is "Hello world" measured the way X does, compared with plain and bold text.
Where Leet Speak Text Works
Leet Speak characters are ordinary Unicode, so they paste into most apps. Pick one to see the details.
Leet Speak Text FAQs
Does leet speak text work on Instagram and Discord?
Yes, leet speak characters paste into Instagram, Discord, TikTok and most apps. Very old devices may show boxes for rare characters.
Is leet speak text a font?
No, it is a set of Unicode characters (Digits as letters), so it keeps its look without installing a font.
How many characters does leet speak text convert?
20 of the 62 basic letters and digits. The converter above lists any characters that stay plain in your text.
How do I turn leet speak text back into normal text?
Paste it into the decoder above; it maps every leet speak character back to its letter.
Does leet speak text count double on X?
"Hello world" counts as 11 on X, against 11 in plain letters.
Can I use leet speak letters in a username?
Usually not: most @usernames allow only plain letters, numbers and a few symbols. Use them in display names and bios instead.
Related tools
Browse every tool in Font Styles & Letters or go back to the Fancy Text Generator.