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Text to Binary Converter

Text to Binary Converter

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This calculator converts text into binary code, one 8-bit group per character, e.g. "Hi" = 01001000 01101001.

Enter any text to see its binary representation — each character is converted to its ASCII code and shown as an 8-bit binary number, a common way computers represent text internally.

Every character has a corresponding ASCII numeric code between 0 and 255, and converting that number to binary and padding it out to exactly 8 digits produces the byte-level representation a computer actually stores — the letter "A," for instance, has ASCII code 65, which in binary is 01000001. Each character's 8-bit group is separated by a space in the output purely for human readability; the computer itself stores the bits as one continuous stream with no gaps, which is exactly why understanding this encoding is a useful foundation for anything involving low-level data, file formats, or network protocols.

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  • Method: each character's ASCII code (0-255) is converted to binary and padded to 8 digits.
  • Example: "A" has ASCII code 65, which in binary is 01000001.
  • Spaces between groups: each character's 8-bit code is separated by a space for readability.

What is a space character in binary?

00100000 — the ASCII code for a space is 32.

Does this support special characters and emoji?

It supports standard ASCII characters (letters, numbers, punctuation); characters outside the ASCII range may not convert as expected since ASCII only covers codes 0-255.