Is Number Base Converter free?

Yes, completely free with unlimited conversions and no registration required. Use it instantly on any device.

How do I convert binary to decimal?

Enter your binary number in the input field, select 'Binary' as the source base, select 'Decimal' as the target base, and view the result instantly.

What is hexadecimal and why do I need it?

Hexadecimal (Base 16) uses digits 0-9 and letters A-F. It's commonly used in programming, web colors, and memory addresses because it represents binary data more compactly.

Can I convert between any number bases?

Yes. This tool supports conversions between all four bases: binary, octal, decimal, and hexadecimal in any direction.

Does the converter work offline?

Yes, all conversions happen in your browser instantly. You don't need an active internet connection after the page loads.

What's the maximum number I can convert?

You can convert numbers up to 32 digits long in decimal format, or their equivalent in other bases without errors.

Is my data private when using this tool?

Yes. All processing occurs locally in your browser. Numbers are never sent to any server or stored anywhere.

How do I convert octal to hexadecimal?

Enter your octal number, select 'Octal' as the source base, select 'Hexadecimal' as the target base, and the conversion displays instantly.

free

Number Base Converter — free

Convert numbers between binary, octal, decimal, and hex.

Input

From Base

How to use Number Base Converter

Enter your number in the input field

Click the text input box labeled 'Enter Number' and type or paste your number. You can input values up to 32 digits long.

Select the source number base

Click the 'From Base' dropdown menu and choose your input format: Binary (Base 2), Octal (Base 8), Decimal (Base 10), or Hexadecimal (Base 16).

Choose your target number base

Click the 'To Base' dropdown menu and select the output format you need from the four available base options.

View instant conversion results

Your converted number appears automatically in the 'Result' field below. Click the copy icon next to the result to copy it to your clipboard.

Frequently Asked Questions

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