Convert text into hexadecimal format. Computers store text as numbers, and with hex you display the numbers not as a decimal number, but in base 16. Hex or base 16 or hexadecimal is a numeral system that uses 16 symbols. The symbols include 0-9 and a-f (sometimes A-F). An example of a hexadecimal number is 3BF2. Computer science applications can use hexadecimal for binary coding in computing and digital electronics. The primary use of hex is a more people friendly way to represent the value.

While computers work with binary data, it can be difficult for humans to work with a large number of digits. Humans typically use a base 10 system, while for computer applications it is easier to work with hexadecimal than decimal.

As hex saves space (either paper space or screen space), you can more efficiently use hex instead of a large number of ones and zeros. You can also go from hex back to binary bits if needed. For example A is 1010.

Hex numbers represent large numbers compactly and are used in programming as computers use bytes as a unit of information. In hex you need two digits where you need 8 binary digits to represent a byte.

Hexadecimal is also used in the Red-Green-Blue color system in computers. Red, green, and blue are each represented by a byte that is two hex digits. An RGB color uses six hex digits. Hexadecimal is also commonly used to represent computer memory addresses.

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