File Hash Calculator

Compute SHA-1, SHA-256, SHA-384, and SHA-512 checksums of any file — locally, nothing is uploaded.

Click to choose files or drag & drop

Hashed in your browser with the Web Crypto API

Files are read locally with the FileReader API and never leave your machine.

How to Use

1
Choose or drop files
Click the drop zone or drag files from your file manager.
2
Wait a moment
All four SHA digests are computed with native Web Crypto.
3
Compare and copy
Check against the published checksum, or copy all four digests.

Frequently Asked Questions

: Click the drop zone (or drag files onto it) and SHA-1, SHA-256, SHA-384, and SHA-512 are computed with the browser's native Web Crypto API — results appear in seconds for typical files.

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