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Number Base Converter

Convert integers between decimal, binary, hex, and octal bases instantly. Useful for developers, students, and anyone working with different number systems.

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Frequently Asked Questions

What does the number base converter do?
It converts integers between decimal, binary, hexadecimal, and octal. Enter a value in any base and see the others update instantly. Useful for developers and students. Runs in your browser.
Which number bases are supported?
Decimal (base 10), binary (base 2), hexadecimal (base 16), and octal (base 8). Conversion is instant and client-side — no server.
Why convert between number bases?
Developers use hex for colors and memory; binary for bitwise operations. Students use it for math and CS. This free tool handles all conversions in the browser.