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🔢
Base Converter
Convert between binary/octal/decimal/hex
BIN — Binary
Base 2 · Valid chars: 0 1
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OCT — Octal
Base 8 · Valid chars: 0-7
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DEC — Decimal
Base 10 · Supports negatives and decimals
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HEX — Hexadecimal
Base 16 · Valid chars: 0-9 A-F
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💡 Enter in any box, the other three fill automatically. Hex is case-insensitive, displayed uppercase. Decimal supports negatives (e.g.
-10
) and decimals (rounded during conversion).