Convert text to binary, hexadecimal, octal, decimal, Morse code, NATO alphabet, ROT13, Caesar and Atbash ciphers and decode them back. Fast and UTF-8 safe.
Free, no sign-up
Runs in your browser
Your data stays private
How to use the Text Encoder and Decoder
Type or paste your text.
Choose a format such as Binary or Morse and Encode or Decode.
Copy the result.
Why use this Text Encoder and Decoder
Nine formatsBinary, hex, octal, decimal, Morse, NATO, ROT13, Caesar and Atbash.
UTF-8 awareAccents, non-Latin text and emoji encode and decode correctly.
Caesar brute forceSee all 25 possible shifts at once to crack a Caesar cipher.
Clear errorsInvalid binary, hex or octal input tells you what to fix.
Frequently asked questions
How do I convert text to binary?
Choose Binary and Encode. Each byte of the UTF-8 text becomes eight 0 and 1 digits.
How do I decode Morse code?
Choose Morse and Decode. Separate letters with spaces and words with a slash.
Is ROT13 encryption?
No. ROT13 is a simple letter shift anyone can reverse, used to hide spoilers, not to protect data.