About the IEEE 754 Converter
A free tool for seeing exactly how a number is stored in floating-point.
What it is
This converter shows the binary32 or binary64 IEEE 754 representation of any decimal number, breaking the result into sign, exponent, and mantissa bits, plus the hexadecimal representation of the raw bit pattern.
Features
Binary32 and binary64
Single and double precision, side by side.
Color-coded bits
Sign, exponent, and mantissa clearly separated.
Hex output
The raw bit pattern in hexadecimal.
Instant, private
Runs entirely in your browser. No data is sent anywhere.