Number Base Converter
Convert numbers between binary, octal, decimal, and hexadecimal.
About the Number Base Converter
Convert numbers between binary, octal, decimal, and hexadecimal. Free online number base conversion tool.
Why client-side?
Every byte you paste, type, or upload here is processed entirely inside your browser. Nothing is sent to a server, logged, or stored. That means it's safe to use this tool on production secrets, customer data, internal logs, and any input you would not paste into a hosted SaaS formatter.
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Frequently Asked Questions
- How do I convert binary to decimal?
- Enter the binary number in the binary input field and the tool instantly shows the equivalent decimal, octal, and hexadecimal values.
- What number bases are supported?
- This tool supports binary (base 2), octal (base 8), decimal (base 10), and hexadecimal (base 16) conversions.
- Can I convert large numbers?
- Yes. The converter handles numbers within JavaScript's safe integer range, which is sufficient for most use cases.