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Base Converter

Convert numbers between any base from 2 to 36 — binary, octal, decimal, hexadecimal, and more.

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About the Base Converter

Convert a number from one numeral system to another. Supports bases 2 through 36, including binary (base 2), octal (base 8), decimal (base 10), and hexadecimal (base 16).

Method: convert to decimal first, then divide repeatedly to reach the destination base.

Frequently asked questions

What bases are supported?

Any integer base from 2 to 36. Digits 0–9 and letters a–z represent values 0–35.

Can I use prefixes like 0x or 0b?

Yes. Prefixes 0x (hex), 0b (binary), and 0o (octal) are recognized in the input field.

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