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SRI Generator - Free Online Subresource Integrity Hash Tool | IconVault

Generate SHA-256, SHA-384 and SHA-512 integrity hashes for scripts and stylesheets with a paste-ready tag. Free, in your browser.

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SRI Generator

SHA integrity hashes with paste-ready script tags

5 of 5 free uses left

Hash algorithm

SHA-384 is the recommended balance of security and hash length.

5 of 5 free generations left - everything runs in your browser.

Your integrity hash appears here

Browsers use this hash to verify a CDN file was not tampered with before executing it.

About this tool

IconVault's SRI Generator creates Subresource Integrity (SRI) hashes for your JavaScript and CSS files. Paste the file content or upload it, pick SHA-256, SHA-384 or SHA-512, and get the exact integrity="sha384-..." attribute value. Hashing uses your browser's WebCrypto API, so it is fast and accurate, and your files are never uploaded anywhere.

Optionally add the file's CDN URL and the tool builds a paste-ready <script> or <link> tag with the integrity attribute and crossorigin="anonymous" included. SHA-384 is preselected as the recommended balance of security and hash length. It is free to try, and everything runs fully in your browser.

Frequently asked questions

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