All translators
Morse Code Translator
Text ↔ Morse with sound, flashing light and WAV download.
Binary Translator
Text ↔ 8-bit binary (UTF-8), spaces optional.
Hex to Text Converter
Hexadecimal bytes ↔ readable text (UTF-8).
ASCII Converter
Text ↔ decimal character codes, with the full 0–127 table.
Base64 Encoder & Decoder
UTF-8-safe Base64 with a URL-safe option (RFC 4648).
Braille Translator
Text ↔ Unified English Braille grade 1 cells.
NATO Phonetic Alphabet Converter
Spell anything Alfa to Zulu, and back again.
Roman Numeral Converter
Numbers, years and dates ↔ Roman numerals (1–3,999).
Caesar Cipher
Shift by any amount, ROT13, and crack it with all 25 shifts.
Vigenère Cipher
Keyword cipher that keeps case, spaces and punctuation.
Atbash Cipher
Mirror the alphabet: A ↔ Z, B ↔ Y.
Letter to Number Cipher (A1Z26)
A = 1 … Z = 26, with your choice of separator.