About the Text to Binary Converter
See exactly how your text is stored as bytes โ and convert it back.
What it is
A free bidirectional converter between text and its binary, hexadecimal, or decimal byte representation. Type text to see it encoded, or paste bytes to decode them back to text โ either box updates the other live, entirely in your browser.
Features
Bidirectional
Text and binary/hex/decimal each update the other live.
Three output formats
View the same bytes as binary, hexadecimal, or decimal.
Full Unicode support
Correct UTF-8 handling for accents, scripts, and emoji.
Byte count
See exactly how many bytes your text occupies.
Input validation
Clear errors for malformed binary, hex, or UTF-8 sequences.
One-click copy
Copy either the text or the encoded output.
How text becomes bytes
Computers only store numbers, so text needs an agreed-upon encoding to become bytes. This tool uses UTF-8, the encoding behind most of the modern web, via the browser's built-in TextEncoder and TextDecoder. Basic English letters and digits map to a single byte each, while accented letters, other scripts, and emoji use two to four bytes โ which is why longer text with special characters can occupy more bytes than characters.