Security

Hash / Checksum

Compute MD5, SHA-1, SHA-256, SHA-384, SHA-512 and CRC32 of text or a file, and compare them against an expected value to verify the integrity of a download. All in your browser — nothing is uploaded.

redzilla.cl — hash

Verification

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paste an expected value to compare

Source

Text

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MD5 —

SHA-1 —

SHA-256 —

SHA-384 —

SHA-512 —

CRC32 —

All algorithms

Algorithm	Bits	Hash (hex)

How it works · hash, checksum and verification

1. A hash reduces any input to a fixed-size fingerprint. Changing a single bit changes the hash completely, so it works to verify integrity.

2. SHA-1/256/384/512 are computed with the browser's Web Crypto. MD5 (RFC 1321) and CRC32 (polynomial 0xEDB88320) use a built-in JavaScript implementation.

3. MD5 and SHA-1 are deprecated for security (known collisions). Use them only as a checksum; for real integrity prefer SHA-256 or higher.

4. Paste the published hash into expected value: if it matches any, it is flagged in green; if it matches none, in red.

Runs locally in your browser · no sign-up · nothing leaves your browser.

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Disclaimer

We take great care to keep every tool accurate and review it thoroughly; even so, we can't guarantee it is free of errors or take responsibility for how the results are used. We recommend double-checking anything critical.

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