Online Checksum Calculator

Generate and verify checksums instantly with our online tool. Calculate cryptographic hashes and checksums to verify the integrity of your data, passwords, files, and more in just seconds. Supports the most popular algorithms such as MD5, SHA-1, SHA-256, SHA3-256, and many others.

  • Completely secure: Your data is processed locally, without being sent to external servers.
  • Multi-algorithm: Support for 9 different checksum and hash algorithms.
  • Intuitive interface: Easy to use, with clear results.
  • Completely free: No registration, no limitations, no hidden costs.

Calculadora de Checksum Online

Calculate different types of checksums and hashes from your browser

Select the algorithms:
CRC-32 Adler-32 MD5 SHA-1 SHA-256 SHA-384 SHA-512 SHA3-256 xxHash
Algorithm Information
  • CRC-32: Error-detecting algorithm, commonly used in ZIP and PNG.
  • Adler-32: Checksum algorithm used in zlib, faster than CRC-32.
  • MD5: 128-bit cryptographic hash algorithm, now considered insecure.
  • SHA-1: Cryptographic hash algorithm 160-bit, also considered insecure.
  • SHA-256/384/512: The SHA-2 family of algorithms, considered secure.
  • SHA3-256: A member of the SHA-3 family, the most modern standard.
  • xxHash: An extremely fast non-cryptographic hash algorithm.

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