Converters
frequency converter tool
Convert frequency units easily with our online frequency converter tool. Fast and accurate Hz, kHz, MHz, GHz conversions.
Enigma Rotor Simulator
Simulate the Enigma machine online. Encrypt and decrypt messages using various rotor settings. Learn about cryptography and WWII codebreaking.
Playfair Square Digraph
Encrypt/decrypt text with the Playfair Square Digraph cipher. Easy to use online tool. Secure your messages!
Hill Cipher Matrix
Encrypt or decrypt messages using the Hill Cipher with our online matrix tool. Secure your data with this classic encryption method.
All-in-One Unit Converter Tool
Convert any unit quickly and easily! Length, weight, temperature, currency & more. Free online unit converter for all your needs.
Pressure Conversion Tool
Convert pressure units instantly! PSI to kPa, bar to mmHg & more. Accurate & free online pressure converter for all your needs.
Temperature Converter
Effortlessly convert temperatures between Celsius, Fahrenheit, Kelvin, and Rankine. Quick, accurate, and free temperature converter tool.
Torque Converter Tool
Shop torque converter tools for easy installation, removal, and diagnosis. Find the right tools for your transmission job. Fast shipping!
Byte Converter Tool
Online Byte Converter: Easily convert bytes to kilobytes, megabytes, gigabytes, and more. Fast, accurate, and free!
Weight Converter Tool
Free & accurate weight converter. Instantly convert between pounds, kilograms, ounces, grams, and other units. Easy-to-use online tool.
Area Converter Tool
Free online area converter. Easily convert square feet, meters, acres, hectares, and more. Accurate and instant area conversions!
Voltage Converter
Quickly convert voltage values with our free online Voltage Converter Tool. Easy and accurate voltage conversion for your electrical projects.