Checksums hash-wasm hash

xxHash64 Generator - Fastest Non-Cryptographic

Generate xxHash64 at RAM speed for databases, big data, and high-performance systems.

xxhash64.workspace
2 options
0 bytes UTF-8, Hex, Base64, or File input

Secure client-side computation. No data leaves your browser. Privacy Security

Result Output

What Is xxHash64?

xxHash64 is an extremely fast 64-bit hash function using the XXH64 algorithm, achieving speeds exceeding 10 GB/s on modern CPUs, providing exceptional speed for non-cryptographic hashing in databases and analytics.

Specifications

Output Size 64 bits
Standard xxHash specification (Yann Collet)
Standard Year 2012

Use Cases

  • Database index hashing and sharding
  • Big data analytics and MapReduce
  • Game asset checksums and deduplication
  • File integrity in backup systems
  • In-memory data structure hashing
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Security Notice

xxHash64 is not cryptographically secure and must not be used for passwords, signatures, or security applications.

Related Tools

xxHash3 Checksums xxHash128 Checksums xxHash32 Checksums

Utilities

File Hash Verifier Verify local files against published checksums. Hash Compare Compare expected and actual digest values. Multi Hash Generator Generate common hashes from one input.

Guides

Algorithm Comparison Guide Choose the right primitive for each task. Hash Test Vectors Compare known outputs across common algorithms.

Implementation Notes

Practical usage details for this browser-based xxHash64 tool.

How to Generate a xxHash64 checksum

  1. Choose UTF-8, Hex, Base64, or File input mode.
  2. Enter text, encoded bytes, or choose a local file to process.
  3. Adjust the xxHash64 options if your use case requires non-default settings.
  4. Click Generate xxHash64 Checksum and copy the result.

Example Input

Sample input:

abc

Use this sample input, then copy the generated checksum from the result panel.

When Not to Use xxHash64

  • Do not use it for security-sensitive applications.
  • Do not use it for password storage.
  • Do not use it for digital signatures.

Recommended Alternatives

Review related tools when you need a different output size, security margin, or keyed construction.

Frequently Asked Questions