QuantumGuard Password Generator

Generate secure passwords and passphrases with quantum resistance estimation

QuantumGuard is a privacy-first browser extension dedicated to helping you generate exceptionally strong, memorable, and quantum-resistant passphrases. We empower you to create credentials designed to withstand both current brute-force methods and the potential of future quantum attacks. Why Choose QuantumGuard? 🛡️ True Quantum Resistance: Go beyond standard password advice. Our passphrases are designed with the future of security in mind, generating high entropy to offer significant protection against Grover's algorithm, a known quantum threat to password hashing. 🧠 Memorable Security: Leveraging the proven Diceware concept and the official EFF Long Wordlist (7,776 words), QuantumGuard helps you create passphrases that are significantly easier to remember than complex character strings, especially for crucial master passwords. More words = exponentially stronger! 🔒 Privacy by Design (Client-Side Generation): Your security and privacy are paramount. All passphrase generation happens locally in your browser. No data is ever sent to our servers or any third party. What you generate is for your eyes only. 🎲 Uncompromising Randomness: We use your browser's cryptographically secure pseudo-random number generator (CSPRNG) to ensure the words for your passphrases are selected with true randomness, maximizing their strength. 🔑 Unique for Every Account: QuantumGuard makes it easy to generate a unique, super-strong passphrase for every website and service. (Remember to store these in a reputable password manager!) ✨ Clean & Simple Interface: Get a powerful passphrase in just a few clicks. Choose the number of words, select your preferred separator, and instantly see the classical and quantum strength of your generated passphrase. 🚀 Max-Entropy Random Strings: Need an unmemorizable, ultra-strong password for your password manager to store? QuantumGuard can also generate long, random character strings using uppercase, lowercase, numbers, and symbols for maximum entropy density.