Text to Binary Converter

Convert between text and various number formats, supporting binary, decimal, hex, and octal.

Text Input

Enter text to convert

Binary Output

Each char converted to 8-bit binary

Other Formats

Decimal
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Hexadecimal
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Octal
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Number Format Info

Number Systems

Binary (Base 2)

Computer internal representation, uses 0 and 1

Decimal (Base 10)

Number system used in daily life

Hexadecimal (Base 16)

Uses 0-9 and A-F, common in memory addresses

Octal (Base 8)

Uses 0-7, common in Unix file permissions

Character Encoding

ASCII: English chars, 7-bit encoding (0-127)
UTF-8: Unicode variable-width encoding, ASCII compatible
Code Point: Unique number for each Unicode character
UTF-16: 16-bit encoding, used internally by JS

Examples

Character "A" representations:

Binary:  01000001
Decimal: 65
Hex:     41
Octal:   101

Character "€" representations:

Binary:  11100010 10000010 10101100
Decimal: 226 130 172
Hex:     E2 82 AC
Octal:   342 202 254