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.
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How to Use
- Paste the raw text into the input box
- Choose encode or decode direction
- Output appears instantly — copy in one click
- All encoding/decoding runs locally; sensitive content never leaves your device
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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.