Question 1

Is my data safe?

Accepted Answer

Yes! All operations happen in your browser. Your data never leaves your device.

Question 2

Which algorithms should I use?

Accepted Answer

For modern projects: SHA-256, AES-GCM, Argon2. Avoid MD5 and SHA-1 (insecure).

Question 3

Why is MD5 insecure?

Accepted Answer

MD5 is vulnerable to collision attacks. Two different files can have the same hash.

Question 4

Can I use this in production?

Accepted Answer

For educational purposes. Get security audit before using in critical systems.