How to Convert Files to UTF-8 Encoding in Linux

In this guide, we will describe what character encoding and cover a few examples of converting files from one character encoding to another using a command line tool. Then finally, we will look at how to convert several files from any character set (charset) to UTF-8 encoding in Linux.

As you may probably have in mind already, a computer does not understand or store letters, numbers or anything else that we as humans can perceive except bits. A bit has only two possible values, that is either a 0or 1, true or false, yes or no. Every other thing such as letters, numbers, images must be represented in bits for a computer to process.

In simple terms, character encoding is a way of informing a computer how to interpret raw zeroes and ones into actual characters, where a character is represented by set of numbers. When we type text in a file, the words and sentences we form are cooked-up from different characters, and characters are organized into a charset.

There are various encoding schemes out there such as ASCII, ANSI, Unicode among others. Below is an example of ASCII encoding.

Character  bits
A               01000001
B               01000010

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