Binary to Text Converter

Convert text to UTF-8 binary bytes and complete 8-bit groups back to text.

This tool runs entirely in your browser. Your files are never uploaded to a server.

What this tool does

Choose Encode or Decode, paste a value, and copy the result that updates immediately.

Encoding standard

Each UTF-8 byte is shown as exactly eight zero-or-one digits, separated by spaces for copying and visual inspection.

How data is represented

Unicode characters may occupy several bytes. The converter works with UTF-8 bytes rather than JavaScript character code units, so emoji round trips correctly.

Example

A becomes 01000001, while an emoji produces four additional byte groups. Decoding joins all groups before validating UTF-8.

Input validation

Binary input may contain whitespace but must otherwise use only 0 and 1 and contain a whole number of eight-bit bytes.

Limitations

The output represents UTF-8 text bytes, not arbitrary machine words, floating-point values, file contents or a number-base conversion.

Privacy

All byte conversion runs locally in your browser; input and output are never uploaded by this tool.

Frequently Asked Questions

What standard does Binary to Text Converter use?: Each UTF-8 byte is shown as exactly eight zero-or-one digits, separated by spaces for copying and visual inspection.
What happens when the encoded input is invalid?: It reports an error and produces no output. Binary input may contain whitespace but must otherwise use only 0 and 1 and contain a whole number of eight-bit bytes.
Is my input uploaded?: All byte conversion runs locally in your browser; input and output are never uploaded by this tool.

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