Verify File Integrity with Hash

Generate a SHA-256 checksum for a downloaded file and compare it to the publisher's checksum to confirm it's unmodified.

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Tip: SHA-256 and SHA-512 are cryptographically secure. SHA-1 is legacy and no longer recommended for security-sensitive use. All hashing runs locally in your browser — files and text are never sent anywhere.

File Verification tips

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Software publishers post SHA-256 checksums alongside downloads. Generate the hash of your downloaded file and compare — they must match exactly.

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A matching checksum proves the file arrived intact and hasn't been tampered with by a man-in-the-middle or a corrupted download server.

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SHA-256 and SHA-512 are the modern standards. If a site only provides an MD5 or SHA-1 checksum, those are less secure but still useful for corruption detection.

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All hashing is done in your browser — your file is never transmitted anywhere. You can safely hash sensitive files offline.