Crypto

Caesar Cipher Encoder & Decoder

Free online Caesar cipher encryption and decryption tool. Supports custom alphabets and shift offsets. Ideal for cryptography learning and fun.

Random Number Generator

Generate random integers or decimals within a specified range, featuring duplicate removal, sorting, and formatted output.

Random Password Generator

Customize character types and length to generate strong random passwords and secure your accounts.

Vigenère Cipher Encoder & Decoder

Encrypt or decrypt text using the classic polyalphabetic substitution algorithm. Ideal for cryptography learning and testing.

CRC16 Checksum Calculator

Online CRC16 checksum tool to calculate 16-bit cyclic redundancy check values for text, Hex, and Base64 data to verify data integrity.

Morse Code Translator

Translate text to Morse code and vice versa. Features custom dot/dash symbols and audio playback for learning and communication.

NTLM Hash Calculator

Calculate the NTLM hash of any string. Supports plaintext, Hex, and Base64 inputs, outputting results in Hex and Base64 formats.

AES Encryption & Decryption Tool

Online AES encryption and decryption tool supporting multiple cipher modes and key lengths to ensure data security.

CRC32 Checksum Calculator

Calculate the CRC32 hash of any string or encoded data to verify data integrity.

File MD5 Changer

Generate visually identical PNG/JPG images with a brand new MD5 hash to bypass duplicate detection or force cache updates.

MD5 Hash Generator

Generate MD5 hash values for any data. Ideal for data integrity checks, file verification, and more.

Base Converter

Convert integers between binary, octal, decimal, and hexadecimal. Ideal for programming and mathematical calculations.

File Encoding Detector

Identify text file character encoding formats to fix garbled text. Supports multi-language content analysis.

ASCII Encoder & Decoder

Free online tool for two-way conversion between text and ASCII (decimal) codes. Ideal for programming, debugging, and data transmission.

AAEncode Encoder & Decoder - Obfuscate & Deobfuscate JS Online

Free online tool to encode JavaScript into the AAEncode obfuscated format or decode AAEncode strings back to readable JS code.

CRC32 Checksum Calculator

Calculate file CRC32 checksums online to verify file integrity after transmission or storage. Ideal for both developers and everyday users.

UUencode & UUdecode Tool

Convert binary data to uuencoded text and vice versa online. Supports full format parsing, ideal for processing legacy emails and files.

SHA Hash Calculator

Online hash generator and verification tool supporting SHA1, SHA256, and SHA512 algorithms, featuring advanced salting and multi-round iteration options.

LM Hash Calculator

Convert plaintext, Hex, or Base64 strings into LM hashes. Get instant Hex and Base64 outputs with uppercase and lowercase formatting options.

Base64 Encoder and Decoder

Convert text to and from Base64 strings. Supports standard and URL-safe encoding, and is compatible with UTF-8 and multiple character sets.