Digital Storage & Data Units
Convert between bits, bytes and every storage unit, including the binary units your operating system actually uses. A transfer time […]
Distance & Length Units
Type a distance once and read it in metric, imperial and nautical units at the same time. Handy for engineering
Temperature: Celsius, Fahrenheit & Kelvin
Enter a temperature in any scale and read it instantly in all the others, including the scales still used in
Roman Numerals Translator
Convert between ordinary numbers and Roman numerals in both directions. Type in either field and the other updates instantly, with
Random Number & Dice Roller
Draw random numbers for giveaways, sampling, testing and games. Every draw uses your browser’s cryptographic random source, not a predictable
Epoch & Unix Timestamp Calculator
Convert a Unix timestamp into a readable date, or turn a date into a timestamp. Seconds and milliseconds are detected
Hex, Decimal & Octal Number Bases
Type a number in any field and every other base updates at once. Handles binary, octal, decimal, hexadecimal and any
HTML Entity Encoder
Escape characters that would otherwise break your HTML, or turn an encoded snippet back into readable text. Works with named
ROT13 / Caesar Cipher
Apply a Caesar shift to any message, or use the classic ROT13 setting. If you are trying to read an
Morse Code Translator
Translate between plain text and Morse code, then listen to the result at any speed. Dots, dashes and spacing follow