Crypto

Caesar Cipher

Caesar cipher online tool, quickly encrypts and decrypts text, supports shift amount, alphabet, case, and space handling.

Random Number Generator

Generate random numbers within a specified range online, supporting uniqueness, sorting, custom formats, and other features.

Random Password Generator

Online random password generator, customize length, character types, and quantity, quickly create high-strength secure passwords.

Vigenere Cipher

Classic polyalphabetic substitution encryption algorithm, supports custom key encryption and decryption

CRC16 Checksum

Online CRC16 checksum tool, quickly calculates CRC16 checksums for plaintext, Hex, Base64, and other data.

AES Encryption and Decryption

AES online encryption and decryption tool, quickly protects data privacy, supports multiple modes and key lengths, secure and reliable.

Morse Code Encryption and Decryption

Morse code online converter, custom dot-dash separator, bidirectional text encoding and decoding.

NTLM Hash

NTLM hash online generation tool, supports plaintext, Hex, Base64 input, quickly calculates NTLM password hash values.

CRC32 Checksum

Online CRC32 checksum tool, generates CRC32 hash values for strings, supports multiple input types.

MD5 Encryption

Online MD5 encryption tool, supporting multiple input formats, custom output case, bits, salt, and encoding.

Arbitrary Radix Conversion

Online arbitrary radix conversion, supporting mutual conversion between binary, octal, decimal, and hexadecimal.

ASCII Encoding and Decoding

Online ASCII encoder and decoder, supports mutual conversion between text and ASCII code, fast and convenient.

File Encoding Detection

Online file encoding detection tool, quickly identifies character sets of text files, solves garbled text problems, and supports multiple languages.

AAEncode Encoding and Decoding

AAEncode encoding and decoding tool, realizing two-way conversion between character text and AAEncode obfuscated code.

UU Encode/Decode

Online UU encode and decode tool, quickly convert data and UU encoding, convenient and secure.

File CRC32 Checksum

Calculate file CRC32 checksum online, quickly verify file integrity and consistency.

SHA Encryption

Online SHA encryption tool, supporting multiple SHA algorithms, plaintext/Hex/Base64 input, data integrity verification.

Base64 Encode Decode

Online Base64 encoding and decoding tool, supports standard, URL-safe, UTF-8 and other character encoding conversions, safe and efficient.

LM Hash

LM hash tool, supports fast calculation of hash values for plaintext/hexadecimal/Base64 strings, provides hexadecimal/Base64 output and case selection.

HTML Encode/Decode

Online HTML encode and decode tool, converts HTML special characters to entities or unescapes them, facilitating secure web transmission and display.