Generate MD5, SHA1, SHA256 hash from text online
The text hash works like this: it computes MD5, SHA-1, SHA-256, SHA-384 and SHA-512 digests using the browser's native SubtleCrypto. Everything happens on your device - the input never leaves your tab unless the tool clearly states it performs a server-side lookup.
| Input | Result |
|---|---|
| "hello" | SHA-256: 2cf24dba5fb0a30e26e83b2ac5b9e29e1b161e5c1fa7425e73043362938b9824 |
Text processing happens in your browser; nothing is uploaded.
SHA-256 for integrity and modern uses; SHA-1 and MD5 only for legacy checksums - both have practical collision attacks.
No - hashing is one-way. Identical inputs give identical digests, but the digest reveals nothing else.
SHA-256 for anything new. MD5 and SHA-1 remain useful only for non-security checksums of legacy systems - both have demonstrated collisions.
No - hashing is one-way. The digest lets you verify that two inputs match, but the only way "back" is guessing inputs until one hashes to the same value.
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