SHA Hash Generator
Generate SHA hashes from any text. Supports SHA-1, SHA-256, SHA-384, and SHA-512 through the browser Web Crypto API, with all hashing done locally.
SHA-256 hash (hex)
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What is a hash generator?
These hashes are computed via the Web Crypto API, the same browser API used for cryptographic digest operations. Nothing leaves your device.
MD5 is intentionally omitted; it is broken for any cryptographic use. Prefer SHA-256 or stronger.
When to use SHA hashes
Use SHA-256 or SHA-512 to compare text, create checksums, verify copied data, or document a stable fingerprint for a payload.
Hashing is one-way. A hash is not encryption, and this tool cannot decode or recover the original input from a digest.
Use the API
Call the same encoder server-side or from another origin. CORS is open, no auth required for the free tier.
curl "https://encode-decode.org/api/v1/hash\ ?action=encode&input=hello"