File & Text SHA Hash

Calculate SHA-256, SHA-384 or SHA-512 checksums of text or a local file in your browser.

✳ Input stays in this browser. No account needed.

AlgorithmText to hash (used if no file selected)Or select a local file (maximum 20 MB)

Hex digest

No upload or network request; files are read locally. A checksum is not encryption, a signature, or a password-storage mechanism. HTTPS/localhost required for Web Crypto.

About this utility

Calculate SHA-256, SHA-384 or SHA-512 checksums of text or a local file in your browser. Double-check results before applying them to production infrastructure, and follow organizational security policies when using third-party websites.

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