Text Encoding Tools
Free online text encoding and cipher tools. Convert text to hex, binary, Base64, Morse code, ROT13, and more — all running securely in your browser.
Encoding & Ciphers
4 tools
Hex to Text / Text to Hex
Convert text to hexadecimal and hex to text instantly. Full UTF-8 support, uppercase/lowercase hex, multiple separators — free online hex converter.
Vigenère Cipher
Encrypt and decrypt text using the polyalphabetic Vigenère cipher with a custom keyword. Includes interactive Tabula Recta reference — free online Vigenère cipher tool.
Caesar Cipher Tool
Encode and decode text with any Caesar cipher shift (1–25). Brute force all 25 shifts to crack unknown messages — free online Caesar cipher tool.
Semaphore Flag Encoder
Display semaphore flag positions for any text as visual diagrams. Full A–Z alphabet and 0–9 reference chart — free online semaphore flag encoder.