Encode or decode text with ROT13. Rotates letters by 13 positions. Self-inverse: apply twice to get original text.
ROT13 shifts each letter by 13 positions in the alphabet. Only letters (A–Z, a–z) are changed; numbers and symbols stay the same.
ROT47 Strings
Encode or decode text with ROT47. Rotates all printable ASCII (33–126) by 47 positions. Self-inverse.
Rotate Text
Rotate letters using ROT13 or custom Caesar shift. Encode and decode simple cipher text. Only letters are rotated.
Base64 Encoder/Decoder
Encode text to Base64 or decode Base64 to text. Support for UTF-8 and binary data.
Hash Generator
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from text. Secure hash calculator for developers.