Question 1

Is MD5 safe for passwords?

Accepted Answer

No. MD5 and SHA-1 are cryptographically broken for password storage. Use bcrypt, scrypt, or Argon2 for passwords. MD5 is acceptable only for non-security checksums.

Question 2

What is SHA-256 used for?

Accepted Answer

SHA-256 is widely used for file integrity checks, blockchain, certificate fingerprints, and HMAC constructions. It is currently considered secure.

Question 3

Does the tool hash files?

Accepted Answer

Currently it hashes text input only. Paste file contents or use a dedicated file hashing tool for binary files.

Question 4

Is my input sent to a server?

Accepted Answer

No. All hashing uses the Web Crypto API in your browser. Your data never leaves your device.