Free online number converter tools. Convert between binary, hexadecimal, ASCII, decimal, octal, and Morse code formats. Essential for programmers and students.
Computers represent everything in binary, but humans don't think that way. Whether you're studying computer science, debugging network protocols, or just curious how data encoding works, number converters are essential tools.
Our collection covers all the major number systems and text representations:
- Binary Converter — Convert between binary and other formats
- Hexadecimal Converter — Convert hex to decimal, binary, and more
- Decimal Converter — The base-10 system we use every day
- Octal Converter — Base-8, still used in Unix file permissions
- ASCII Converter — Convert characters to their ASCII values
- Morse Code Converter — Convert text to Morse code and back
- Number to Words Converter — Convert numbers to written English words
- Number to Roman Numerals — Convert numbers to Roman numerals and back
Each tool works instantly — type in one format and see the results across all others.