Alphabets & Symbols References for Braille, Morse, runes, semaphore, and other symbol alphabets. Identify glyphs, map to letters, and convert notations when the alphabet is the puzzle.

A substitution cipher rearranges the alphabet so every ciphertext letter consistently stands in for another letter or symbol. This page is a complete guide to substitution ciphers plus a hands-on tool for …

Instant Caesar cipher encoder/decoder that works with every alphabet supported by Boxentriq. Automatic handling of punctuation, spacing, and case so your plaintext formatting stays intact.

The Braille alphabet is frequently used in geocaching mystery caches (puzzle caches), CTFs and logic puzzles. It is usually easy to detect by the presence of the dots.

Each letter of the alphabet is replaced by a single different letter, number, or symbol. Punctuation and spacing often remain unchanged, providing clues to the solver.

The Morse alphabet is designed so that the most frequent letters in the English alphabet has the shortest codes. This makes transmission much faster than if all letters would have equal length codes.

His goal was to create an unique alphabet with combination of colors that were easily distinguishable. Hexahue uses only common colors, like red, green, blue, that are simple to write in HTML notation.

Encodes and decodes the mirrored-alphabet Atbash cipher (A↔Z, B↔Y), a classic monoalphabetic substitution.

Converts numbers back into letters using common mappings, helping you interpret numeric ciphertext and puzzle clues.

Convert letters into numbers instantly! Just type or paste your text, choose language and code type, and see the result. Punctuation and other unconvertible characters are ignored automatically.