Binary to Text Converter NZ

This tool converts text into binary and binary back into text, revealing the ones and zeros that computers actually use to store every character. At the lowest level, computers represent everything as binary, sequences of bits that are either 0 or 1. Each character you type, a letter, digit, space or symbol, is stored as a number according to a character encoding, and that number is written in binary as a group of bits, usually eight, called a byte. Converting between readable text and its binary form is a classic exercise for learning how computers work, a handy tool for programming and debugging, and a bit of fun for puzzles and secret messages. This converter does both directions. You paste your text to turn it into binary, where each character becomes its eight-bit code with the bytes separated by spaces, or you paste binary, groups of eight bits, to turn it back into readable text. The tool detects which way you want to go from the mode you choose and converts instantly. It works through UTF-8, the standard modern encoding, so ordinary English characters become single bytes while accented letters, macrons and emoji become several bytes, and all of them convert correctly in both directions. Everything runs in your browser, so nothing is uploaded. Use it to learn how text is encoded, to convert a message to or from binary for a puzzle or lesson, or for programming and debugging. The eight-bit grouping reflects how a byte stores one basic character: for example, the capital letter H is 01001000 in binary. Seeing text laid out as binary makes the link between the characters we read and the numbers a computer stores tangible and clear.

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Text or binary

Direction

Result

01001000 01101001

Each character becomes its 8-bit code via UTF-8, bytes separated by spaces. Accented characters and emoji use several bytes. Runs entirely in your browser.

How it works

To convert text to binary, each character is turned into its UTF-8 byte values, and each byte is written as eight binary digits, padded with leading zeros, separated by spaces. To convert binary to text, the input is split into groups of bits, each group is read as a number, and those numbers are turned back into characters through UTF-8.

Worked example

The text Hi converts to 01001000 01101001, where 01001000 is the capital H, with character code 72, and 01101001 is the lowercase i, code 105, each written as eight binary digits. Switching to the other mode and pasting those two binary groups back returns the original text, Hi.

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Frequently asked questions

How is text stored as binary?

Each character is assigned a number by a character encoding, and that number is written in binary as a group of bits, usually eight, called a byte. For example, the capital letter H has code 72, which is 01001000 in binary. A computer stores and processes every character this way.

What is the 8-bit grouping?

Eight bits make one byte, which is enough to store one basic character. So text-to-binary writes each byte as eight binary digits, padding with leading zeros, and separates bytes with spaces. Grouping in eights makes the binary readable and reflects how memory is organised.

Does it handle emoji and accented characters?

Yes. The conversion works through UTF-8, so ordinary English characters become a single byte while accented letters, macrons and emoji become several bytes. All of them convert correctly in both directions, though multi-byte characters produce more than eight binary digits in total.