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CRC32 Calculator

Calculate the CRC-32/ISO-HDLC checksum of UTF-8 text.

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Uses reflected polynomial 0xEDB88320, initial and final XOR 0xFFFFFFFF. CRC detects errors; it is not a cryptographic hash.

Up to 100,000 UTF-16 units per input and 1,000,000 per result. See the supported formats and examples below.

Come si usa

  1. Calculate the CRC-32/ISO-HDLC checksum of UTF-8 text.
  2. Choose the mode or options, then run the tool.
  3. Review the result, then copy or download the TXT file.

Esempio

123456789 → cbf43926

Dettagli e limiti

Text stays in your browser; it is not sent to a conversion server.

Riferimenti

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