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Cetacean Cipher

Cetacean Cipher is an interesting encryption algorithm that it can converts any input into "Cetacean Language". e.g. "hello" becomes "EEEEEEEEEeeEeEEEEEEEEEEEEeeEEeEeEEEEEEEEEeeEeeEEEEEEEEEEEeeEeeEEEEEEEEEEEeeEeeee".


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SM4 is a 128-bit block cipher, currently established as a national standard (GB/T 32907-2016) of China. Multiple block cipher modes are supported. It complete implementation of SM4 cipher encryption/decryption with ECB, CBC, CFB, OFB, CTR block modes.

SM4 Cipher
SM4 is a 128-bit block cipher, currently established as a national standard (GB/T 32907-2016) of China. Multiple block cipher modes are supported. It complete implementation of SM4 cipher encryption/decryption with ECB, CBC, CFB, OFB, CTR block modes.
Random Password Generator can create random passwords of a specified length online. By setting whether the password includes lowercase letters (a-z), uppercase letters (A-Z), digits (0-9), and special characters, it can randomly generate passwords between 4 and 32 characters in length.

Random Password Generator
Random Password Generator can create random passwords of a specified length online. By setting whether the password includes lowercase letters (a-z), uppercase letters (A-Z), digits (0-9), and special characters, it can randomly generate passwords between 4 and 32 characters in length.
Encode & decode secret messages using invisible Unicode characters (ZWSP, ZWNJ, ZWJ). Perfect for CTF, steganography, or covert communication. No install, copy-paste ready.

Zero-Width Characters Cipher
Encode & decode secret messages using invisible Unicode characters (ZWSP, ZWNJ, ZWJ). Perfect for CTF, steganography, or covert communication. No install, copy-paste ready.
Try this interactive Burrows-Wheeler Transform (BWT) Cipher to safely scramble any text while keeping its original meaning intact—and reverse the transformation anytime to recover the exact original message.

Burrows-Wheeler Transform Cipher
Try this interactive Burrows-Wheeler Transform (BWT) Cipher to safely scramble any text while keeping its original meaning intact—and reverse the transformation anytime to recover the exact original message.