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Hash Calculator

Calculate MD5, SHA-1, SHA-256, SHA-384, and SHA-512 hashes for any text or file. Private, no upload.

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Generate cryptographic hashes and checksums for text or files directly in your browser — useful for verifying file integrity, checking downloads, or generating checksums for your own projects.

Συχνές Ερωτήσεις

Why does the same file produce a different hash than expected?
Any change to the file — even invisible metadata or line-ending differences — changes every character of the hash. Compare hashes byte-for-byte to confirm files are truly identical.
Is MD5 safe to use?
MD5 is fine for basic integrity checks (like confirming a download wasn't corrupted) but should never be used for security purposes like password storage — use SHA-256 or higher for anything security-sensitive.
Are large files uploaded to compute the hash?
No. Hashing happens entirely in your browser using the file directly from your device — nothing is uploaded.

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