Hexadecimal Converter

Hexadecimal Converter reads a hex number, with or without a 0x prefix, and returns its decimal, octal and binary values, with your chosen base as the main result.

Input is case-insensitive and output letters come back capitalised, so d6 and D6 both convert and both report D6. The conversion is numeric throughout, which means this is neither a byte decoder nor a colour tool: FF0000 is read as the single integer 16,711,680, not as a description of red, and a run of hex bytes becomes one long number rather than the text it encodes. A digit outside 0-9 and A-F is refused by name, fractional hex is not supported, and the value has to fit inside an exactly representable integer.

Everything is computed in the tab. The string is not uploaded, not logged and not kept after the page closes, which matters when the hex you are checking came out of a memory dump or a private payload.

Converting a hex memory address or offset to decimal, reading a hex error or status code out of a log, getting the binary form of a hex register value, and checking a hex constant against documentation.

Also known as: hex to text · text to hex · hexadecimal translator · decode hex string · change hexadecimal format