Number & Base Converters
Binary, hex, octal, decimal conversions and bitwise calculators.
Convert a number between decimal, binary, octal, hex, and any base 2–36.
Convert decimal numbers to hexadecimal and hex to decimal.
Convert decimal numbers to octal and octal to decimal.
Convert binary numbers to hexadecimal and back.
Convert binary numbers to octal and octal to binary.
Convert binary numbers to decimal and decimal to binary.
Convert hexadecimal numbers to binary and back.
Convert hexadecimal numbers to octal and back.
Convert hexadecimal numbers to decimal and back.
Convert octal numbers to binary and back.
Convert octal numbers to hexadecimal and back.
Convert octal numbers to decimal and back.
Reverse the byte order of hex values (little/big endian swap).
Spell numbers in English words, ordinals, currency, and check format.
Sort a list of numbers ascending or descending.
Generate a list of integers between two numbers with a step.
Calculate bitwise XOR of two numbers in decimal, hex, or binary.
Calculate bitwise AND of two numbers.
Calculate bitwise NAND of two numbers.
Calculate bitwise OR of two numbers.
Calculate bitwise NOR of two numbers.
Calculate bitwise XNOR (equivalence) of two numbers.
AND, OR, XOR, NOT, NAND, NOR, XNOR, shifts, and rotates.
Convert hex values to IPv4 addresses and IP to hex.
Convert binary to IPv4 addresses and IP to binary.
Convert decimal (integer) values to IPv4 and IP to decimal.
Convert octal values to IPv4 addresses and IP to octal.
Convert IPv6 addresses to 128-bit binary and back.
Convert phone numbers to IPv4 addresses and IP to phone.
Subnet calculator for IPv4/IPv6 CIDR blocks and IP ranges.