# Security

Password Generator Generate strong random passwords. Security Hash Generator Compute MD5/SHA1/SHA256/SHA512 of text. Security JWT Decoder Decode and inspect JWT payload. Security Random String Generate a random string of given length. Security Basic Auth Generator Build an Authorization: Basic header from credentials. Security Bcrypt Hash Generator Hash text with bcrypt or verify against an existing hash. Security AES Encrypt / Decrypt Encrypt or decrypt text with AES-GCM (WebCrypto). Security RSA Key Pair Generator Generate an RSA public/private key pair in PEM. Security HMAC Generator Compute HMAC-SHA1/SHA256/SHA512 message auth codes. Security TOTP Authenticator Generate 2FA time-based one-time passwords. Security BIP39 Mnemonic Generator Generate BIP39 mnemonic seed phrases. Security Chmod Calculator Convert between numeric and symbolic file permissions. Security

Password Strength Check password strength. Security Chinese ID Validator Validate a Chinese ID number and extract info. Security