ASCII encoder

ASCII to Binary

Convert ASCII characters into binary bytes.

ASCII only 8-bit bytes Copy-ready output
Converter

Binary aligned to ASCII

Paste ASCII text, choose the output format, and copy clean 8-bit binary without UTF-8 surprises.

ASCII → Binary

Convert ASCII input to binary

Enter ASCII characters; each is encoded to an 8-bit binary byte. Ideal for networking, debugging, and teaching.

Bit width

Output format

ASCII to binary converter

Use this ASCII to binary converter to map characters to 8-bit binary. Keywords: ASCII to binary converter, convert ASCII characters to binary, online ASCII encoder.

What is ASCII to binary?

ASCII assigns a number to each character (0–127). Encoding in binary turns those numbers into 8-bit strings like 01001000 for the letter H. This helps with protocols, embedded systems, and learning data formats.

How to use this ASCII to Binary converter

  1. Paste ASCII text into the input.
  2. Choose your output format (spaces, new lines, or continuous).
  3. Click Convert to Binary.
  4. Copy the result and review the per-character table.

FAQ – ASCII to Binary

What characters are supported?

Standard ASCII characters (0–127). Non-ASCII characters will be rejected.

Why 8-bit if ASCII is 7-bit?

Most systems store ASCII in 8-bit bytes; the leading bit is zero. This tool outputs padded 8-bit bytes.

Is this free and mobile-friendly?

Yes—free to use with a responsive layout for phones and tablets.