Security Tools

Free online tools for generating secure passwords, hashes, UUIDs, and random data — all running in your browser.

Password Generator

Generate strong, secure passwords with custom character sets.

Hash Generator

Compute MD5, SHA-1, SHA-256, SHA-384, and SHA-512 hashes.

UUID Generator

Generate random UUIDs (v4) in bulk.

Random String Generator

Generate random strings in many alphabets and lengths.

AES Encrypt / Decrypt

Encrypt and decrypt text with AES-GCM 256 using a password.

HMAC Generator

Compute HMAC using SHA-256 or SHA-512 with a secret key.

Random Number Generator

Generate random numbers in any range.

JWT Decoder

Decode JWT tokens and inspect their contents.

URL-safe Token Generator

Generate random URL-safe tokens for APIs and links.

RSA Key Pair Generator

Generate RSA public/private key pairs in PEM format.

bcrypt Hash & Verify

Hash passwords with bcrypt or verify existing bcrypt hashes.