About this tool
Convert text to and from leet (1337) speak using common letter substitutions, all in your browser.
Frequently asked questions
Which substitutions are used?
Common ones such as a to 4, e to 3, i to 1, o to 0, s to 5, and t to 7.
Is from-leet perfect?
It reverses the common digit substitutions back to letters, but very heavily styled leet may not round-trip exactly.