Hash Generator

Generate MD5, SHA-1, SHA-256 and SHA-512 hashes from text or files, all at once. Free, fast, and your files never leave your device.

MD5
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SHA-1
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SHA-256
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SHA-512
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How to use the Hash Generator

  1. Choose "Text" mode and type or paste content, or "File" mode and drag & drop / browse a file.
  2. Click "Generate hashes" to compute MD5, SHA-1, SHA-256 and SHA-512 at once.
  3. Copy any individual hash using its "Copy" button.

Why use ZillaKit's Hash Generator?

Verifying file integrity, generating checksums for downloads, or creating quick fingerprints for text all require reliable hash functions. ZillaKit's hash generator computes MD5, SHA-1, SHA-256 and SHA-512 simultaneously for either typed text or an uploaded file, using the browser's native, cryptographically-audited Web Crypto API for SHA-1/256/512 and a small, correct inline implementation for MD5 (which is not available in Web Crypto). All hashing happens locally — files are read and processed in memory and are never uploaded to a server, which matters when checksumming private or proprietary files. It is free, fast even on large files, and requires no signup.

FAQ

Is MD5 still safe to use?

MD5 is not collision-resistant and should not be used for security purposes, but it remains widely used for quick file integrity checks and legacy checksum verification, which is why it is included alongside stronger algorithms.

Which hash should I use to verify a download?

Use whichever hash the file publisher provides alongside the download, typically SHA-256 for modern software distributions.

Can I hash large files?

Yes, files are streamed into the browser's hashing functions in memory, so multi-megabyte files hash quickly without any upload.

Is my file or text uploaded anywhere?

No. All hashing happens locally using the Web Crypto API and an inline JavaScript MD5 implementation. Nothing leaves your device.

Why are SHA-1, SHA-256 and SHA-512 computed using a browser API but MD5 is not?

Browsers' native Web Crypto API does not implement MD5 since it is considered cryptographically broken, so this tool includes a small, correct standalone MD5 implementation in JavaScript to fill that gap.