What Hash Generator does
Cryptographic digests provide a fixed-length fingerprint for integrity checks. This tool uses the browser Web Crypto API.
Common uses
- Compare downloaded file checksums
- Generate deterministic test data
- Verify content integrity
Privacy and limitations
Text and files remain on your device. Hashing is one-way but does not make weak passwords safe.
Always validate security-sensitive output in the authoritative application or platform.
Frequently asked questions
Is SHA-1 secure?
SHA-1 is retained for compatibility but should not be used for modern security decisions.
Can a hash be decrypted?
A cryptographic hash is not encryption and has no decryption key.