Encryption & Decryption 41
Explore tools in Encryption & Decryption category
Morse Code Translator
Online Morse code translator supporting bidirectional conversion between text and Morse code, with audio playback function, adjustable speed, frequency and volume
AES Online Encryptor/Decryptor
AES Online Encryption/Decryption tool, supports CBC/ECB/CTR/CFB/OFB modes, 128/192/256-bit keys
Rijndael Online Encryption/Decryption
Original AES algorithm supporting variable block sizes and key lengths of 128/192/256 bits, providing more flexible encryption options
DES/3DES Encryption/Decryption
Classic symmetric encryption tool supporting text and file processing
Blowfish Encryption/Decryption
Online Blowfish encryption/decryption tool supporting variable key lengths (32-448 bits) and CBC/ECB/CFB/OFB modes.
Camellia Encryption/Decryption
Internationally recognized secure encryption algorithm supporting 128/192/256-bit keys
SEED Encryption/Decryption
Online SEED encryption/decryption tool, Korean standard 128-bit block cipher, supporting CBC, ECB, CFB, OFB modes.
Twofish Encryption/Decryption
AES finalist algorithm, high-security symmetric encryption tool designed by Bruce Schneier
CAST5 (CAST-128) Encryption/Decryption
Secure encryption tool based on CAST5 (CAST-128) algorithm. Supports CBC, ECB, CFB, OFB modes for fast and secure data protection.
IDEA Encryption/Decryption
Online IDEA (International Data Encryption Algorithm) encryption/decryption tool with 128-bit fixed key, supporting CBC, ECB, CFB, OFB, RAW modes.
TEA/XTEA/XXTEA Online Encryption/Decryption
Online TEA/XTEA/XXTEA encryption/decryption tool, supporting CBC/ECB/CFB/OFB modes, widely used in embedded systems and game development
Serpent Online Encryption/Decryption
AES finalist algorithm - Ultra-secure block cipher supporting 128/192/256-bit keys
LOKI97 Online Encryption/Decryption
Australian Block Cipher - 128-bit block, variable key length AES candidate algorithm
RC Series (RC2/RC4/RC5/RC6) Online Encryption/Decryption
RC series symmetric encryption algorithms designed by Ron Rivest, supporting RC2, RC4, RC4-Drop, RC5 and RC6
GOST Online Encryption/Decryption
GOST 28147-89 and Magma (GOST R 34.12-2015) encryption/decryption tool supporting multiple modes and S-Box options
Salsa20 Online Encryption/Decryption
High-speed stream cipher encryption/decryption tool supporting Salsa20, Salsa20/12, Salsa20/8 and XSalsa20 variants
ChaCha20 Online Encryption/Decryption
ChaCha20, ChaCha20-Poly1305 and XChaCha20 encryption/decryption tool. Supports AEAD authenticated encryption, multiple input/output formats. Secure and fast, runs entirely in browser.
SM4 Block Cipher Algorithm
Chinese commercial cryptography standard SM4 algorithm, 128-bit block symmetric encryption, supporting CBC/ECB/CTR modes with automatic key and IV generation
RSA Online Encryptor/Decryptor
Online RSA encryption/decryption tool supporting key generation, public key encryption, private key decryption and digital signature verification with PEM format keys
SM2 Online Encryption/Decryption
Chinese commercial cryptography standard SM2 algorithm, elliptic curve-based public key encryption, supporting key pair generation, encryption/decryption, multiple ciphertext modes and data formats
SHA Online Encryptor
Calculate MD5, SHA1, SHA256, SHA512, SHA3, RIPEMD160 hashes online. Supports local processing for large files.
HMAC Online Encryptor
Hash-based Message Authentication Code calculator supporting MD5, SHA1, SHA256 and more
BLAKE Hash Generator
Calculate BLAKE2b, BLAKE2s and BLAKE3 hash values for text and files. Fast, secure, runs entirely in browser.
Whirlpool Hash Generator
Calculate 512-bit hash values using Whirlpool-0, Whirlpool-T and Whirlpool ISO standard algorithms. Supports text and file input.
Snefru Hash Generator
Generate Snefru-128/256 hash values, an early cryptographic hash function designed by Ralph Merkle
SM3 Cryptographic Hash Algorithm
Chinese commercial cryptography standard SM3 algorithm, 256-bit cryptographic hash function, supporting multiple input/output formats for data integrity verification and digital signatures
HAS-160 Hash Generator
Generate HAS-160 hash values, Korean KCDSA digital signature encryption standard
SHA-3/Keccak Hash Generator
Supports SHA3-224, SHA3-256, SHA3-384, SHA3-512 and Keccak variants. Uses WebAssembly to accelerate secure hash generation from text or files.
RIPEMD Hash Generator
Generate RIPEMD-128/160/256/320 hash values, RIPEMD-160 widely used in Bitcoin
GOST Hash Generator
Compute GOST R 34.11-94 and Streebog (GOST R 34.11-2012) hashes. Supports Streebog-256/512 and text/file input.
MD5 Online Encryptor
Generate MD5 hash values for text or files. Supports file verification, data integrity checking with multiple input/output formats
MD4 Online Encryptor
Generate MD4 hash values for text or files. Supports multiple input/output formats, compatible with legacy systems
xxHash Hash Generator
Extremely fast non-cryptographic hash algorithm supporting xxHash32, xxHash64, xxHash3 and xxHash128 variants. Perfect for data integrity verification and hash tables.
MurmurHash Hash Generator
High-performance non-cryptographic hash function supporting MurmurHash3 x86 32-bit, x86 128-bit and x64 128-bit variants
FNV Hash Generator
Generate FNV-1 and FNV-1a hash values, supporting 32-bit, 52-bit and 64-bit variants, non-cryptographic hash function
Bcrypt Online Encryption/Verification
Generate and verify secure password hashes using Bcrypt algorithm, widely used with good compatibility.
Scrypt Online Encryption/Verification
Generate and verify secure password hashes using Scrypt algorithm, memory-hard with strong GPU resistance.
Argon2 Online Encryption/Verification
Generate and verify secure password hashes using Argon2 algorithm, latest standard and most secure.
CRC Online Calculator
Calculate various CRC checksums, supporting CRC-8, CRC-16 (Modbus, CCITT), CRC-32, CRC-64 and more algorithms. Supports text, hexadecimal, Base64 and file calculation.
Adler-32 Online Calculator
Calculate Adler-32 checksums for text and files, a fast checksum algorithm widely used in zlib/gzip compression
SM2/SM3/SM4 Cryptography Encryption/Decryption
Chinese commercial cryptography standard algorithms, supporting SM2 elliptic curve public key cryptography, SM3 cryptographic hash, and SM4 block cipher encryption/decryption and hash calculation