Binary, Hex & Octal Converter — Programmers juggle number bases every day: IP addresses in decimal, memory addresses in hex, masks and flags in binary. Converting between them by hand is tedious and error-prone.
Conversions run locally in your browser — nothing is sent to a server.
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Binary, Hex & Octal Converter是什么？
Programmers juggle number bases every day: IP addresses in decimal, memory addresses in hex, masks and flags in binary. Converting between them by hand is tedious and error-prone.
Type a number in any of the four common bases — binary, octal, decimal, or hexadecimal — and see it converted into all the others instantly, with optional prefixes for convenience.
使用方法
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Pick the input base
Choose binary, octal, decimal, or hexadecimal for what you are typing.
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Type a number
The other three representations update live as you type.
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Copy what you need
Each result has a copy button, with or without prefixes like 0x and 0b.
示例
The byte 255
The maximum value of a single byte in every base.
decimal 255
结果： binary 11111111 · octal 377 · hexadecimal FF
常见问题
相关指南
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Last reviewed: 2026-09-25