Are these security tools free?
Yes. All security and crypto tools are free with no account required.
Free • No Signup
Security & Crypto Tools
Free online security and crypto tools that run in your browser. Generate hashes, HMAC signatures, AES encryption, JWTs, UUIDs, and strong passwords. No sign-up and values are generated locally on your device.
Hash Generator
Generate MD5 and SHA256 hashes.
SHA256 Generator
Create SHA256 hashes instantly.
HMAC Generator
Create HMAC signatures.
AES Encryption
Encrypt and decrypt text.
JWT Decoder
Decode JWT tokens.
JWT Generator
Create JWT tokens.
Password Generator
Create secure passwords.
UUID Generator
Generate UUID values.
UUID Bulk Generator
Generate multiple UUIDs.
Frequently Asked Questions
Are passwords and tokens stored?
No. Passwords, UUIDs, hashes, and tokens are generated locally in your browser and are not saved or uploaded.
Does the JWT decoder verify signatures?
No. Decoding only reads the header and payload. Verifying a JWT signature requires the secret or public key.