Base64 EncodeConvert text into Base64.Base64 DecodeConvert Base64 back into text.URL EncodePercent-encode text for safe use in a URL.URL DecodeTurn percent-encoded text back into readable characters.HTML EncodeEscape the characters that carry meaning in HTML.HTML DecodeTurn HTML entities back into the characters they represent.Binary ↔ TextConvert between text and its binary representation.Hex ↔ TextConvert between text and its hexadecimal representation.Unicode ↔ ASCIIConvert between characters and their escape sequences.ROT13Rotate every letter by 13 places.Caesar CipherShift every letter by a chosen number of places.