Bivonio

SHA-256 hash generator

Calculate the SHA-256 hash of UTF-8 text in your browser.

Your files and text are processed on your device.

How to use this tool and limits

The hash covers all UTF-8 bytes, including spaces and line breaks, using Web Crypto. The result contains 64 hexadecimal characters.

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Frequently asked questions

Can I decrypt SHA-256 or store passwords with it?

SHA-256 is a hash, not reversible encryption. Password storage requires a specialized salted, cost-based algorithm rather than this simple hash.