TEXT ⇄ BINARY CONVERTER

Convert between text, binary, hex, decimal, and ASCII
Text Input
Binary
Hexadecimal
Decimal (ASCII)
Octal
Decode — paste binary, hex, or decimal

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FREQUENTLY ASKED QUESTIONS

How do I convert a number to binary?
Repeatedly divide the number by 2 and read the remainders from bottom to top. This tool does it instantly for binary, decimal, hex, and octal.
What is binary?
Binary is base-2: it represents numbers using only 0 and 1, the way computers store data. Each digit is called a “bit.”
How do I convert binary to decimal?
Multiply each bit by 2 raised to its position (right to left, starting at 0) and add the results. 1010 = 8 + 0 + 2 + 0 = 10.