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Online Text to Binary Converter

文本转二进制二进制转文本UTF-8进制转换

Convert any text (Chinese, emoji included) to UTF-8 binary bit strings and back. Eight-bit zero-padded bytes separated by spaces, tolerant parsing, fully local processing.

输入
结果
All processing is done locally in your browser, no upload

How to Use

  • Paste any valid JSON, supports nesting, arrays and escapes
  • Click Beautify to auto indent and format
  • Click Minify to remove whitespace into one line
  • All operations run locally for privacy

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FAQ

Why is binary output grouped in eights?

One byte equals 8 bits, so each UTF-8 byte is shown as an 8-bit binary number, e.g. capital A is 01000001.

How many bits does a Chinese character take?

Common Chinese characters take 3 UTF-8 bytes, i.e. 24 bits, e.g. 你 is 11100100 10111101 10100000.

Will my data be uploaded?

No, all conversion runs locally in your browser, nothing is uploaded.