Method

The tool encodes the entered JavaScript string as UTF-8 bytes with TextEncoder, passes those bytes to the browser Web Crypto digest function, and converts the resulting byte array to lowercase hexadecimal. SHA-256, SHA-384, and SHA-512 produce different fixed-length digests for the same input.

Worked example

When this is useful

Hashes are useful for checksum comparisons, reproducible identifiers, integrity checks, debugging, and development workflows where a deterministic digest of text is needed.

Privacy

The text is encoded and hashed locally with browser cryptography. This page does not send the entered text to a hashing API.

Limitations

A hash is not encryption and cannot be decrypted. A simple SHA digest is also not a password-storage scheme. The result depends on the exact UTF-8 text, including capitalization, whitespace, and Unicode characters.

FAQ

Is a hash the same as encryption?

No. A cryptographic hash is a one-way digest used for integrity checks and identifiers; there is no decryption key that restores the original text.

Can I use this to store passwords?

This page intentionally does not implement password-storage schemes. Password storage normally requires dedicated password-hashing designs with salts and work factors rather than a single general-purpose SHA digest.

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