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Hash Generator

Generate a cryptographic digest of any text using SHA-1, SHA-256, SHA-384 or SHA-512. Computed locally with the browser's Web Crypto API.

Digest (hex)


      

      
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Related tools

      

        
HMAC Generator
Keyed message authentication codes.

        
Nonce Generator
Cryptographic random nonces.

      

    


    

      
Frequently asked questions

      

        
Is my text uploaded?

        
No. The digest is computed with the Web Crypto API inside your browser, so the input never leaves your device.

        
Why does it require a secure context?

        
Web Crypto is only available on HTTPS or localhost. If the button does nothing, check that the page is served over HTTPS.

        
Is SHA-1 safe?

        
SHA-1 is considered broken for collision resistance. Use SHA-256 or SHA-512 for anything security-related.