SRI Hash Generator

Computes sha256, sha384, and sha512 Subresource Integrity (SRI) hash strings for a script or stylesheet's contents, ready to paste into an integrity attribute.

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Computes sha256, sha384, and sha512 Subresource Integrity (SRI) hash strings for a script or stylesheet's contents, ready to paste into an integrity attribute.

Use cases

  • Generating an integrity attribute for a script or link tag
  • Verifying a third-party script's contents match a published hash

Examples

The word 'hello'

hello
{"sha256": "sha256-LPJNul+wow4m6DsqxbninhsWHlwfp0JecwQzYpOLmCQ=", "sha384": "sha384-WeF0h3dEjGnea4ANejO7+5/xtGPkQ1TDVTvNucZm+pASWjx5+QOXvfX2oT3oKGhP", "sha512": "sha512-m3HSJL1i83hdltRq0+o9czGb+8KJDKra4t/3JRlnPKcjI8PZm6XBHXx6zG4UuMXaDEZjR1wuXDre9G9zvN7AQw=="}

FAQ

Is my data sent to a server?

Yes — the calculation runs on the server for this tool.

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