Binary Tools

Convert between number bases, perform bitwise operations, and inspect byte content.

22 tools available, all running locally in your browser.

Bit Count
Bit Count — pure client-side tool. Privacy-first, no server round-trip.
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Bit Reverse
Bit Reverse — pure client-side tool. Privacy-first, no server round-trip.
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Bit Rotate Left
Bit Rotate Left — pure client-side tool. Privacy-first, no server round-trip.
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Bit Rotate Right
Bit Rotate Right — pure client-side tool. Privacy-first, no server round-trip.
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Bit Shift Left
Bit Shift Left — pure client-side tool. Privacy-first, no server round-trip.
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Bit Shift Right
Bit Shift Right — pure client-side tool. Privacy-first, no server round-trip.
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Bit Swap
Bit Swap — pure client-side tool. Privacy-first, no server round-trip.
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Bitwise AND
Bitwise AND — pure client-side tool. Privacy-first, no server round-trip.
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Bitwise NAND
Bitwise NAND — pure client-side tool. Privacy-first, no server round-trip.
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Bitwise NOR
Bitwise NOR — pure client-side tool. Privacy-first, no server round-trip.
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Bitwise NOT
Compute ~n (bitwise NOT) using BigInt, with arbitrary precision. The result is the exact mathematical two’s-complement value (~5 = -6), not a value truncated to 32 bits.
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Bitwise OR
Bitwise OR — pure client-side tool. Privacy-first, no server round-trip.
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Bitwise XNOR
Bitwise XNOR — pure client-side tool. Privacy-first, no server round-trip.
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Bitwise XOR
Bitwise XOR — pure client-side tool. Privacy-first, no server round-trip.
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Checksum Calc
Compute a simple checksum: the sum of the input's UTF-8 bytes modulo 256. Input is always treated as plain text — a hex-looking string like '4869' is summed as ASCII characters, not decoded as hex bytes.
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CRC Table
Show the first 8 entries of the standard CRC-8 lookup table (polynomial 0x07): 0,7,14,9,28,27,18,21. Input is ignored; the remaining 248 entries are not emitted.
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Gray Code Decode
Gray Code Decode — pure client-side tool. Privacy-first, no server round-trip.
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Gray Code Encode
Gray Code Encode — pure client-side tool. Privacy-first, no server round-trip.
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Hamming Distance
Hamming Distance — pure client-side tool. Privacy-first, no server round-trip.
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Hamming Weight
Hamming Weight — pure client-side tool. Privacy-first, no server round-trip.
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Parity Check
Return the parity of an integer’s bits (popcount mod 2). The input is parsed as a decimal (or 0x-prefixed hex) integer — a binary string like "11" is read as decimal 11, not binary.
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Parity Generate
Parity Generate — pure client-side tool. Privacy-first, no server round-trip.
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