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Number Base Converter

Convert numbers between different bases (2-36) instantly. This tool supports big integers for handling very large numbers. Simply enter a number in any base, specify its base, and see the equivalent values in all other bases. All conversions happen locally in your browser - your data never leaves your device.

Examples:
Binary (Base 2)
Base 2 • 4 characters
Octal (Base 8)
Base 8 • 2 characters
Decimal (Base 10)
Base 10 • 2 characters
Hexadecimal (Base 16)
Base 16 • 1 characters
Base 32
Base 32 • 1 characters
Base 36
Base 36 • 1 characters

Tip: Click on any result field to edit directly in that base. The tool will automatically convert to all other bases. Supports negative numbers and BigInt for very large values.

Features

2-36

All Bases 2-36

Convert between any base from 2 to 36.

Big

BigInt Support

Handle very large numbers with ease.

Copy

One-Click Copy

Copy any conversion result instantly.

Frequently Asked Questions

Tags

converter
binary
hex
decimal
octal
base
numeral system