Converters5 steps

How to Use the Number Base Converter — Step-by-Step Guide

The Number Base Converter is a free online tool that lets you convert between binary, octal, decimal, and hexadecimal. This guide walks you through the conversion process step by step so you get accurate results every time.

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Ready to try it?

Jump straight to the Number Base Converter — it is free and works in your browser.

Open the Number Base Converter

Navigate to the Number Base Converter on NexTool. Conversions happen instantly in your browser with no file uploads to external servers.

Select the source format

Choose the input format or unit you want to convert from. The Number Base Converter supports a wide range of options to cover most use cases.

Enter your value or data

Type or paste the value you want to convert. The tool validates your input and highlights any formatting issues before conversion.

Choose the target format

Select the output format or unit you want to convert to. See the converted result update instantly as you make your selection.

Copy the converted result

Your converted output is ready to use. Click the copy button to grab it, or use the swap button to reverse the conversion direction.

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Pro Tips

Use the swap button to quickly reverse the conversion direction.
The Number Base Converter updates results in real time as you type — no need to click a button.
Bookmark conversion tools you use frequently for one-click access.
All conversions use precise algorithms for accurate, reliable results.