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SHA-256 generator

Verify Linux ISOs, npm packages, and security releases — SHA-256 is the modern standard for file integrity checks.

Generate SHA-256

Share verified files via zero-knowledge FileShot upload after hashing.

Tamper detect

One bit flip changes entire SHA-256 digest — easy mismatch spot.

Web Crypto

Uses browser SHA-256 — fast on modern hardware.

Supply chain

DevOps compares artifact SHA-256 to CI-published values.

SHA-256 file verification

Open source projects publish sha256sum.txt alongside releases. Hash Tool computes digest for your downloaded copy.

Frequently Asked Questions

SHA-256 vs SHA-512?

SHA-256 is standard for file checksums; SHA-512 rarely needed.

Text file hash?

Line endings affect hash — binary mode always for downloads.

Git commit SHA?

Git uses Git object hashing — different from raw file SHA-256.

Frequently asked questions

Free SHA-256?

Yes — local browser tool.

Privacy?

Files never leave device for hashing.

Batch hash?

Hash files one at a time in current UI.