Security Tools

Password, QR code, and security utilities

Check password strength and get suggestions to improve security

Generate QR codes for URLs, text, email, and more

Read and decode QR codes from uploaded images

Generate barcodes in CODE128, EAN-13, and other formats

Generate Ed25519 or ECDSA SSH key pairs using the Web Crypto API — runs 100% in your browser

Generate 2048-bit or 4096-bit RSA key pairs in PEM format using the Web Crypto API — runs 100% in your browser

Compare two hash values to verify file integrity or passwords

Generate time-based one-time passwords (TOTP) from a secret key — compatible with Google Authenticator

Validate credit card numbers using the Luhn algorithm and identify card type

Hash passwords using PBKDF2-SHA256 and verify hashes — client-side secure key derivation

Convert UUIDs between standard, braces, URN, no-hyphens, Base64, and integer formats

Generate strong, memorable passphrases using the EFF diceware wordlist with cryptographic randomness