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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 24 characters
Octal (Base 8)
Base 82 characters
Decimal (Base 10)
Base 102 characters
Hexadecimal (Base 16)
Base 161 characters
Base 32
Base 321 characters
Base 36
Base 361 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