ASCII to Binary Converter
Convert any text to binary, decimal, and hexadecimal ASCII codes, character by character.
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How to use this tool
- Type or paste any text into the box above.
- Read the binary, decimal, and hex codes for each character instantly.
- Copy the binary string for use in code, puzzles, or homework.
An ASCII to binary converter turns each character of your text into its binary representation using the character's ASCII (or Unicode) code point. This tool also shows the decimal and hexadecimal codes side by side, useful for programming, networking, and computer-science homework. Everything runs in your browser — nothing you type is sent anywhere.
Frequently asked questions
- How does text become binary?
- Each character has a numeric ASCII (or Unicode) code point — for example 'A' is 65. This tool converts that number to an 8-bit binary string (01000001 for 'A') and displays the decimal and hex equivalents too.
- What about characters outside the ASCII range?
- Characters with code points above 255 (emoji, accented letters, non-Latin scripts) will show more than 8 binary digits, since one byte can't hold the full value — the conversion is still exact.