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Ones' complement (8-bit)

Bitwise NOT masked to one byte—classic IP header checksum step.

Client
85

Nearby workflows on Toolcore

  • Two's complement (8-bit)Interpret 0–255 as signed 8-bit two's complement. when the payload needs a different encoding or escape format.
  • Reverse bits (8-bit)Reverse bit order of an 8-bit value—low-level bit trick. when the payload needs a different encoding or escape format.
  • Population count (bits)Count set bits in a non-negative integer—Hamming weight. when the payload needs a different encoding or escape format.
  • CRC-8 checksumCRC-8 with polynomial 0x07 on UTF-8 bytes—local digest byte. when the payload needs a different encoding or escape format.

Common use cases

  • Ones' complement (8-bit) for quick local checks without uploading data.
  • Copy results into tickets, docs, or classroom notes.

Common mistakes to avoid

  • Unexpected input shape

    See the intro and how-to notes for accepted formats.

FAQ

Is processing local?

Yes—this runs entirely in your browser.

Agent prefill?

Use q or qb for the main text field when supported.

Related utilities you can open in another tab—mostly client-side.