Text to ASCII Binary

What this tool does

Paste any text and get its binary representation — one zero-padded 8-bit group per byte, separated by spaces. A becomes 01000001, a space becomes 00100000, and so on. It's the fastest way to see the raw bits behind the characters you type, whether you're learning how computers store text, checking an assignment, or building a demo.

How to use it

1. Type or paste your text into the input on the left.
2. The binary appears instantly on the right — no button to press.
3. Copy the result or download it as a .txt file with the toolbar buttons.

Each 8-bit group maps to a single byte, so the output is easy to read left to right, one character at a time (for plain ASCII).

ASCII, bytes and UTF-8

Standard ASCII characters (A–Z, a–z, 0–9, punctuation) all fall in the range 0–127, so each becomes exactly one 8-bit group — the classic "ASCII binary" you'd expect.

Characters outside ASCII — accented letters like é, symbols like €, or emoji — are encoded as UTF-8 bytes, so they produce two, three, or four clean 8-bit groups instead of one. For example, é is the two bytes 11000011 10101001. This keeps every group aligned on a byte boundary, which a naive "one code unit per character" converter fails to do for non-ASCII input.

Why 8 bits per group?

A byte is 8 bits, and a single ASCII character fits in one byte. Zero-padding to 8 digits (1000001 → 01000001) keeps every group the same width, so the output stays readable and unambiguous when you split it back apart.

Privacy

The conversion runs entirely in your browser — your text is never sent to a server.