Security tools that run in your browser.
No signup, no upload. Everything stays on your device — keys, secrets, passwords never leave your browser.
Tools
Hash Generator
Compute MD5, SHA-1, SHA-256, SHA-512 of any text.
AES Encryption / Decryption
Encrypt and decrypt text with AES using your own key. AES-GCM supported.
Password Strength Analyzer
Score a password and get a human-readable strength hint.
CSP Generator
Build a strict Content-Security-Policy header from toggles.
Certificate Signing Request Decoder
Decode a PEM-encoded CSR and show subject, SANs, and public key.