基本選項
464128
進階選項
模式產生器
密碼安全提示
為每個帳戶使用不同密碼，防止撞庫攻擊
使用可靠的密碼管理器安全儲存密碼
盡可能在所有地方啟用雙重驗證
避免在密碼中使用個人資訊
若某項服務遭到洩露，請立即更改密碼
考慮使用密碼短語，兼顧好記性和安全性
為每個帳戶使用不同密碼，防止撞庫攻擊
使用可靠的密碼管理器安全儲存密碼
盡可能在所有地方啟用雙重驗證
避免在密碼中使用個人資訊
若某項服務遭到洩露，請立即更改密碼
考慮使用密碼短語，兼顧好記性和安全性
Weak or reused passwords are still the single biggest reason accounts get compromised, and coming up with a truly random string on the spot is harder than it sounds — most people default to predictable patterns like a name plus a birth year. This Password Generator solves that by producing strong, unpredictable passwords on demand, so you never have to invent one from scratch or fall back on a variation of something you've used before. It's built for the moment you're signing up for a new account, resetting a compromised one, or setting up a password manager and need a fresh batch of credentials.
You control exactly what goes into the password: set the length, and toggle whether uppercase and lowercase letters, numbers, and special characters are included. Adjusting these options changes the character pool the generator draws from, which directly affects both the password's strength and whether it will be accepted by sites with specific complexity rules (some still block certain symbols, for example). Because every password is generated locally in your browser rather than on a server, nothing you create here is transmitted or logged anywhere.
A practical habit: generate a longer password (16+ characters) with all character types enabled for anything sensitive like email or banking, and save it directly into a password manager rather than trying to memorize it. If a site rejects special characters, just uncheck that option and regenerate rather than manually editing the output, which can weaken the randomness.
Create a customized, random password directly in your browser.
Use the length control to choose how many characters the password should have; longer passwords are generally stronger.
Toggle uppercase letters, lowercase letters, numbers, and special characters on or off depending on what the target site or system requires.
Click the generate button to create a new random password based on your selected options.
Copy the generated password to your clipboard so you can paste it into the account signup or password field.
If the password doesn't meet a site's specific rules or you just want another option, click generate again to get a new one instantly.