SilicaCrypt — Offline Cryptography & Data Tools

Plaintext — what you want to protect

Password — min 12 chars, mix classes

Strength

Add a key file (extra protection)

Input — text or paste hex

Algorithms

SHA-1 SHA-256 SHA-384 SHA-512

HMAC key — optional, adds HMAC-SHA-256

Input

Length: 24

Generate

Analyze a password

Strength

Random bytes / UUID

Word count

Generate key pair

Sign / verify with a private key

Message

Secret — Base32 (A–Z, 2–7)

Use the Base32 encoder in the Encode tab if you have raw bytes.

Digits & period

Build a new TOTP secret

Text to encode — max ~200 characters

Encrypt. Hash. Sign. Offline.