Base 10
Only numbers 0-9 allowed
Base 2
Only 0 and 1 allowed
Base 16
Only 0-9 and A-F allowed
Base 8
Only numbers 0-7 allowed
💡 How it works
Computers store data in Binary (0s and 1s). Hexadecimal (Base 16) is used by humans to shorten long binary strings. One Hex digit represents exactly 4 Binary bits (a nibble).