Leet / Visual Substitution
Encode, decode, and analyze 1337-style text and symbol lookalikes.
Leet, or 1337, hides letters behind digit and symbol lookalikes, so C4CH35L3U7H reads as CACHESLEUTH. Decode ambiguous leet back to ranked plaintext candidates with the token map shown, or encode plaintext into several leet styles, including a page-safe mode for geocache cache pages.
Mode
Case
Filter
Whitespace
Find & Replace
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Encoded output
Results
How it works
Decoding first normalizes lookalike Unicode characters, then reads the text longest-match first, so multi-character tokens like |-| for H, |< for K, or /\/\ for M are consumed before single characters. Safe substitutions collapse straight away, while ambiguous ones, such as 1 for I, L, or T, branch through a bounded beam search so the readings never explode.
Each candidate is scored by how word-like it is, with extra weight for geocaching vocabulary, a valid coordinate shape, and letters that were already present in the input. The top candidates are ranked with a confidence badge and the token map for the best read. Encoding offers light, classic, advanced, and a page-safe HTML style that escapes the angle brackets so the output is safe to paste onto a geocache page.