Number Base Converter
Convert values between binary (base 2), decimal (base 10), and hexadecimal (base 16).
Allowed digits depend on the selected base.
| Number system | Value |
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Privacy: conversions run locally in your browser.
How it works
The converter first parses the input number using the selected base, converts it to a decimal value internally, and then formats that value into binary, decimal, and hexadecimal representations.
Examples
- Binary 1010 → Decimal 10
- Decimal 255 → Hex FF
- Hex A3 → Decimal 163
When to use this tool
This tool is designed for quick, practical tasks such as everyday calculations, data formatting, or simple conversions. It is best used when you need fast results without installing software or using complex tools.
When to use
- Quick checks or one-time calculations
- Validating or converting data before using it elsewhere
- Simple tasks that do not require advanced software
When not to use
- Critical financial, legal, or medical decisions
- Large-scale or automated processing
- Situations requiring guaranteed precision beyond basic validation
Always review results before using them in important contexts.
About this tool
This tool helps you perform quick utility operations directly in your browser. It runs entirely in your browser without sending data to a server.
You can use this tool when handling simple tasks without installing additional software. The results should be interpreted as a processed output based on your input data.
FAQ
- What is a number base?
A number base determines how many digits are used in a number system. For example, base-10 uses digits 0–9.
- What are common number bases?
Binary (base 2), Decimal (base 10), and Hexadecimal (base 16) are the most commonly used bases.
- Why do developers convert number bases?
Binary and hexadecimal are widely used in programming, memory addressing, and low-level computing.
- Are my inputs stored?
No. All calculations run locally in your browser and are not transmitted or stored.