Calculate file hashes
Calculate and verify file hashes for integrity checking
Calculate and verify file hashes using various algorithms.
Drag and drop a file here or click to select
Supports all file typesA file hash is a unique fingerprint of file contents. Use hashes to verify file integrity, detect tampering, confirm downloads, and ensure file authenticity.
SHA256 is recommended for modern security. MD5 is legacy (not secure). SHA1 is deprecated. SHA512 is highly secure. Use SHA256 for most purposes.
Calculate the hash of downloaded file. Compare it with the hash provided by the source. If they match, the file wasn't tampered with.
No, identical files always produce identical hashes. Any change (even 1 byte) produces a completely different hash.
No, all hashing is done instantly in your browser. Files are never uploaded to our servers and remain completely private.
No, cryptographic hashes are one-way functions. You cannot reverse a hash to get the original file. This is by design for security.
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