Fydler UtilityBelt - Strong Random Password Generator

Password Generator

Security & Authentication Tool

---

Length 16

Options

Uppercase Letters

A-Z

Lowercase Letters

a-z

Numbers

0-9

Symbols

!@#$%^&*()_+-=[]{}|;:,.<>?

Password Strength

A combination of uppercase, lowercase, numbers, and symbols significantly increases the complexity and security of your password. We use the browser's crypto.getRandomValues API to ensure high-quality, cryptographically strong random data.

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lucide.createIcons(); const CHARSETS = { uppercase: 'ABCDEFGHIJKLMNOPQRSTUVWXYZ', lowercase: 'abcdefghijklmnopqrstuvwxyz', numbers: '0123456789', symbols: '!@#$%^&*()_+-=[]{}|;:,.<>?' }; const lengthInput = document.getElementById('password-length'); const lengthVal = document.getElementById('length-val'); lengthInput.addEventListener('input', () => { lengthVal.textContent = lengthInput.value; }); document.getElementById('generate-btn').addEventListener('click', generatePassword); document.getElementById('copy-password').addEventListener('click', copyPassword); generatePassword(); function generatePassword() { const length = parseInt(document.getElementById('password-length').value); const incUpper = document.getElementById('inc-uppercase').checked; const incLower = document.getElementById('inc-lowercase').checked; const incNumbers = document.getElementById('inc-numbers').checked; const incSymbols = document.getElementById('inc-symbols').checked; let characters = ''; if (incUpper) characters += CHARSETS.uppercase; if (incLower) characters += CHARSETS.lowercase; if (incNumbers) characters += CHARSETS.numbers; if (incSymbols) characters += CHARSETS.symbols; if (!characters) { alert('Please select at least one character set'); return; } let result = ''; const array = new Uint32Array(length); window.crypto.getRandomValues(array); for (let i = 0; i < length; i++) { result += characters.charAt(array[i] % characters.length); } document.getElementById('password-display').textContent = result; } function copyPassword() { const text = document.getElementById('password-display').textContent; if (text !== '---') { navigator.clipboard.writeText(text); showToast('Password copied!'); } } function showToast(msg) { const toast = document.getElementById('toast'); const toastMsg = document.getElementById('toast-message'); toastMsg.textContent = msg; toast.classList.add('show'); setTimeout(() => toast.classList.remove('show'), 2000); }