RADIX · 2–36
Binary / Decimal / Hex / Octal Base Converter
Arbitrary-precision conversion between bases 2–36.
FIELD NOTES
About this tool
This converter uses arbitrary-precision arithmetic, so a 512-bit number converts between bases without rounding. Enter a value in any base from 2 to 36 and read it in all the common ones simultaneously.
Like everything on encrypt.tools, this runs entirely in your browser — nothing you enter is transmitted or stored.
FREQUENTLY ASKED
Frequently asked questions about Base Converter
How large a number can it convert?+
Any size — the converter uses arbitrary-precision BigInt math, so even 512-bit numbers convert between bases without rounding or loss.
Which bases are supported?+
Any base from 2 to 36, plus one-click binary, octal, decimal, and hexadecimal. Base 36 uses digits 0–9 and letters a–z.
Does it handle negative numbers?+
It converts non-negative integers. Enter the magnitude and track the sign separately.
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