CNV-11Converters
Number Base Converter
Binary, octal, decimal, HEX
CNV-11Result
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Number Base Converter
Convert numbers between binary, octal, decimal, hexadecimal and base36. All representations are shown at once.
Frequently asked questions
Why hexadecimal?
It writes binary data compactly: one HEX digit equals exactly four bits. Used in colors, memory addresses and hashes.
What is base36?
Digits 0–9 plus letters A–Z — the densest alphanumeric notation, often used in short links.