Text to Binary Converter

Type or paste text and instantly see its 8-bit binary representation. Toggle spacing between bytes and expand the character map to see ASCII, hex, and binary for every character.

0 chars → 0 bits
Binary output will appear here...

How Text to Binary Conversion Works

Every character on your keyboard has a unique numeric code — its ASCII value. Binary conversion takes that number and expresses it as a sequence of 8 binary digits (bits). For example:

H → ASCII 72 → 01001000

e → ASCII 101 → 01100101

l → ASCII 108 → 01101100

l → ASCII 108 → 01101100

o → ASCII 111 → 01101111

Result: 01001000 01100101 01101100 01101100 01101111

Frequently Asked Questions

How is text converted to binary?

Each character in text has an ASCII (or Unicode) code number. That number is converted to its 8-bit binary representation. For example, the letter "H" is ASCII 72, which in binary is 01001000.

What is 8-bit binary?

8-bit binary means each value is represented using exactly 8 binary digits (0s and 1s), padded with leading zeros if necessary. This represents values from 0 (00000000) to 255 (11111111), covering all standard ASCII characters.

What is "Hi" in binary?

"Hi" in binary is 01001000 01101001. "H" is ASCII 72 = 01001000, and "i" is ASCII 105 = 01101001.

What is ASCII?

ASCII (American Standard Code for Information Interchange) is a character encoding standard that assigns a number (0–127) to each letter, digit, and common symbol. Extended ASCII covers 0–255. Most English text uses standard ASCII values.

Why are spaces shown between binary bytes?

Spaces between bytes make it easier to read and identify individual characters. Without spaces, 01001000 01101001 (Hi) becomes 0100100001101001, which is harder to parse by eye. The space is visual only — it is not part of the binary data.

Can I convert special characters and emojis to binary?

Yes. The tool converts any JavaScript string character using its Unicode code point. Emojis and special characters will have values above 127 and may use multiple bytes in UTF-8, though this tool shows a single 8-bit code per character unit.

What is a character map in binary conversion?

A character map shows each character in your text alongside its ASCII/Unicode code number, hexadecimal value, and 8-bit binary representation. It helps you understand the exact numeric value behind each symbol.

How do I convert binary back to text?

Use our Binary to Text converter. Paste the binary string (with or without spaces between bytes) and the tool will decode it back to the original text.

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