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Convert between units of measurement, number systems, and more
Convert between length units (m, ft, in, km, mi, etc.)
Convert between weight units (kg, lb, oz, g, etc.)
Convert between volume units (L, mL, gal, fl oz, etc.)
Convert between area units (m², ft², acre, hectare, etc.)
Convert between time units (s, min, hr, day, week, etc.)
Convert Unix timestamps to dates and vice versa
Convert decimal numbers to binary
Convert binary numbers to decimal
Convert decimal numbers to hexadecimal
Convert hexadecimal to decimal
Convert ASCII text to binary
Convert binary to ASCII text
Convert numbers to written words
Convert IP addresses between formats
Convert bytes to KB, MB, GB, TB, etc.
Convert between density units
Convert between electric current units
Convert between speed units (km/h, mph, m/s, etc.)
Convert between angle units (deg, rad, grad, etc.)
Convert between force units (N, lbf, dyn, etc.)
Convert an IPv4 address into its 32-bit unsigned decimal form for routing tables, allow-lists, and database storage.
Convert a 32-bit unsigned decimal value back into a standard dotted-quad IPv4 address.
Convert each octet of an IPv4 address into its 8-bit binary form, ideal for subnet calculations and teaching materials.
Convert four 8-bit binary octets (separated by dots) into a standard dotted-decimal IPv4 address.
Convert an IPv4 address into zero-padded octal octets, matching inet_aton behaviour and documentation examples.
Convert four octal octets back into the standard dotted-decimal IPv4 address used by humans and most APIs.
Convert an IPv4 address into uppercase hexadecimal octets, useful for network logs, packet dumps, and embedded configuration.
Convert a hexadecimal IPv4 address (either dotted hex or contiguous 8 chars) back into dotted-decimal notation.
Convert a hexadecimal number into its octal representation for file permissions, legacy protocols, and bitmask debugging.
Convert an octal number into its uppercase hexadecimal form for cross-base arithmetic and register inspection.
Convert an octal number into its binary form for file permission inspection and low-level register work.
Convert a binary number into its octal representation, perfect for collapsing long bit strings into compact file permission notation.
Detect a number in decimal, binary, octal, or hexadecimal form and output every other base side-by-side in one click.