Binary to Hex Converter — Free Online Binary to Hexadecimal
Convert binary (base 2) to hexadecimal (base 16) instantly — groups 4 binary bits into each hex digit.
Tip: Enter multiple values (one per line) for batch conversion.
Frequently Asked Questions
Binary to Hexadecimal Conversion Explained
Binary to hexadecimal conversion is one of the most useful skills in low-level computing. Because 16 = 2^4, each hex digit perfectly encodes exactly 4 binary bits. This means you can convert between binary and hex by inspection once you learn the 16 nibble mappings — no arithmetic required.
The process: group binary digits in sets of 4 from the right (pad with leading zeros if needed), then replace each group with its hex equivalent. 10110101 → 1011=B, 0101=5 → B5. For display, this tool produces uppercase hex via parseInt(binary, 2).toString(16).toUpperCase().
You'll use binary-to-hex when encoding raw byte data for logging, creating hex literals in source code from bit-level designs, comparing bit patterns with tools that show hex output, or converting computed bitmask values to the hex constants used in your codebase.