About the Text to Binary Converter
Binary shows each byte as eight bits, the most literal view of how a computer stores text. This tool encodes the UTF-8 bytes of your input, so H becomes 01001000 and a character above ASCII becomes two or more binary groups. Bytes are separated by spaces by default for readability, or run together if you need a continuous bit stream.
Each byte is written as exactly eight bits with leading zeros kept, so the total is always a multiple of eight and a decoder can split the stream even when the spaces are gone. That rule is behind the classic puzzle mistake of writing 1001000 with seven bits for H because the leading zero looked redundant. Seven-bit groups will not round-trip, and neither will bits copied with commas dropped in between them.
It is a teaching and puzzle tool as much as a practical one: useful for understanding character encoding, for CTF challenges, and for the novelty of writing a message in ones and zeros. Emoji are worth trying for exactly that reason, since one of them expands to thirty-two bits. The Binary to Text tool reverses it, Unicode Code Point Finder gives the code point behind each character, and Decimal to Binary is the tool for numbers rather than text.
How to use
- Paste the text.
- Choose whether bytes are separated by spaces.
- Copy the binary.
Common questions
- Why are some characters more than eight bits?
- Characters above ASCII take two to four UTF-8 bytes, each shown as eight bits.
- Can I decode this back?
- Yes, with the Binary to Text tool, as long as the bit count is a multiple of eight.
- Is this ASCII or UTF-8?
- UTF-8. For plain ASCII text the two are identical.