Leetspeak Converter
Turn plain words into leetspeak, the 1337 style that swaps letters for the numbers and symbols that resemble them. Pick a basic mode that only touches the obvious letters, or a hardcore l33t mode that rewrites almost everything. Tap to copy and paste it into a gamertag, a bio or a message.
This leetspeak converter rewrites your text as 1337, the hacker-style code where an A becomes 4, an E becomes 3 and an O becomes 0. Basic mode keeps it readable by only swapping the letters that have an obvious number look-alike, while the hardcore l33t mode leans on symbols like #, |< and >< for a heavily scrambled result. Type your words and both versions update as you go. It is handy for a gaming handle, an old-school username, or just to write something the casual eye skips over.
- Copies and pastes anywhere
- 100% free
- No sign-up, no app
- Works on phone and desktop
- Unlimited text, no limits
Tap any row to copy it. These are Unicode characters, so they paste into most apps — though a few places (and some older devices) may not show every style.
How to use it
- 1
Type your text
Enter a word, a name or a whole sentence. Both leet styles convert as you type.
- 2
Pick a strength
Basic swaps only the number-like letters; hardcore rewrites almost every letter with symbols.
- 3
Copy the result
Tap a style to copy it, then paste it into a gamertag, profile or chat.
When it comes in handy
Gamertags and usernames
Write a handle in l33t so it stands out on a leaderboard or in a lobby.
Retro and hacker themes
Give a bio, title or forum post the early-internet 1337 look on purpose.
Light obfuscation
Make a word harder to skim or search for at a glance, though it is not real encryption.
Instant & 100% private — nothing is uploaded
The styling happens right here in your browser. Your text is never sent to a server, so there is no sign-up, no email wall, and no length cap from us. Load the page once and it keeps working even if you go offline.
Frequently asked questions
- What is leetspeak?
- Leetspeak, written 1337 or l33t, is an internet writing style from the early gaming and hacker scene where letters are replaced by numbers and symbols that look similar. E becomes 3, A becomes 4, T becomes 7, and so on. It started as a way to slip past word filters and signal you were in the know, and it stuck around as a playful aesthetic.
- What is the difference between basic and hardcore mode?
- Basic mode only swaps the letters with a clean number look-alike (a, e, i, o, s, t), so the word stays easy to read. Hardcore mode pushes further and rewrites nearly every letter with symbols, so m might become /\/\ and x becomes ><. Use basic when you still want it legible and hardcore when you want it heavily scrambled.
- Is leetspeak secure or encrypted?
- No. It is a simple letter-for-symbol substitution, so anyone familiar with it can read it back, and it offers no real security. Treat it as decoration or a light disguise, not as a way to protect anything private.
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