Number Base Converter
Convert numbers between binary, octal, decimal, and hexadecimal systems. Free online base converter.
Binary (Base 2)
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Octal (Base 8)
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Decimal (Base 10)
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Hexadecimal (Base 16)
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How to Use This Tool
Enter or paste your content in the input area above. Results update instantly in real-time. All processing happens locally in your browser — your data never leaves your device.