Free Online Text to Binary

Text-to-binary converts each character in your input into its 8-bit ASCII binary representation, or a multi-byte UTF-8 sequence for non-ASCII characters.

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How to Use This Text Tool

  1. Paste or type your text into the input field.
  2. Choose ASCII or UTF-8 encoding.
  3. The binary output appears with bytes separated by spaces.
  4. Click Copy to grab the result.

What Is a Text to Binary?

Every character on a computer is ultimately a number, and binary is the rawest way to write that number down. ASCII characters fit in a single 8-bit byte. UTF-8 uses one to four bytes per code point so it can represent every character in Unicode, from emoji to ideographs.

The encoder shows the binary for each character separated by spaces, with an option to switch between ASCII (8-bit per character) and UTF-8 (variable-byte). It is mostly used for teaching, puzzles and decoding messages from binary streams.

For production encoding, prefer your language's built-in APIs — TextEncoder in JavaScript, .encode() in Python — which handle edge cases like BOMs and invalid surrogates correctly.

Frequently Asked Questions

How does text to binary work?
Each character has an ASCII/Unicode value. That number is converted to its 8-bit binary form. 'A' (65) becomes 01000001.
What about spaces and punctuation?
Every character—letters, numbers, spaces, punctuation—has a binary representation. They're all converted.
Why convert to binary?
Educational (understanding encoding), fun (secret messages), or technical (debugging, low-level work). Not for secure encryption.

Published by the WeGotEveryTool team. We build and test every tool in-house and update pages when the underlying spec, formula, or recommendation changes.

Reviewed: May 2026. Disclaimer: this tool is provided as-is for general informational use. For decisions with material consequences (medical, legal, financial, security) verify results against a qualified professional source.

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