Hash Generator
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes instantly. All hashing runs locally in your
browser — no data is ever sent to a server.
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What Is a Hash Generator?
A hash generator takes any text input and produces a fixed-length string of hexadecimal characters
called a digest. The same input always yields the same digest, but even a single-character change
produces a completely different output. This makes hashes ideal for verifying data integrity,
storing password fingerprints, and generating checksums for files.
MD5 vs SHA-1 vs SHA-256 vs SHA-512
MD5 (128-bit) is fast and widely recognized but cryptographically broken — collisions
can be engineered. Use it only for non-security checksums. SHA-1 (160-bit) is stronger
than MD5 but also deprecated for security purposes since 2017. SHA-256 (256-bit) is
the current standard used in TLS certificates, Bitcoin, and most modern security applications.
SHA-512 (512-bit) offers even larger output and can be faster than SHA-256 on 64-bit
processors.
Is This Tool Secure?
Yes. SHA hashes are computed using the Web Crypto API (SubtleCrypto.digest()) built into
your browser. MD5 is computed with a lightweight JavaScript implementation. No data leaves your device —
you can disconnect from the internet and the tool will continue to work.