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哈希计算器

秒级计算文本或本地文件的加密校验和，用于完整性校验与防篡改。

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哈希计算器

验证从网络下载的文件是否完整未损坏，保障系统安全性。

🔐 100% Private — Client-Side Execution

All processing happens inside your browser using WebAssembly and HTML5 Canvas. Zero file uploads, zero server tracking. Compliant with LGPD & GDPR.

常见问题解答

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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