File Hash
Upload a file and compute SHA-1, SHA-256, SHA-384, and SHA-512 digests in your browser.
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Hash files with Web Crypto
Upload any file and compute SHA-1, SHA-256, SHA-384, or SHA-512 digests locally. Nothing is uploaded to a server, which makes the tool suitable for quick integrity checks.
Related: Checksum Calculator, Fletcher Checksum.
Frequently Asked Questions
Is my file sent over the network?
No. The browser reads the file and hashes it with the Web Crypto API.
Are outputs hex or Base64?
Digests are lowercase hexadecimal strings, one per selected algorithm.
Can I hash very large files?
Large files may take longer, but processing still happens locally in your browser.
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