Number Base Converter

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Convert numbers between binary, octal, decimal, and hexadecimal in real time

Binary(base 2)

Octal(base 8)

Decimal(base 10)

Hexadecimal(base 16)

Quick Reference

About this tool

Convert numbers between binary, octal, decimal, and hexadecimal in real time This tool runs entirely in your browser — your data never leaves your device.

Privacy

All processing happens client-side. We don't store or transmit your data to any server. Your files and inputs remain completely private.