Password Generator
Instantly generate strong, unpredictable passwords to keep your online accounts safe from hackers. Fast, free, and fully client-side.
How to Use
- STEP 1
- Select character types (uppercase, lowercase, numbers, symbols) and set your desired password length and quantity. For maximum security, we recommend including as many character types as possible.
- STEP 2
- Click the 'Generate Password' button to instantly create secure, random passwords based on your criteria. The results will be displayed as a list on the screen.
- STEP 3
- Use the 'Copy' button next to each password to copy it to your clipboard. You can then immediately paste it into your desired application or website.
Notes
- Always store generated passwords in a secure, encrypted location like a password manager. Storing them in plain text files or physical notes is extremely dangerous.
- Never reuse the same password across multiple services (prevents credential stuffing attacks). If one service is compromised, all your other accounts will be at risk.
- For critical accounts like social media, banking, or email, always enable Two-Factor Authentication (MFA/2FA) in addition to using a strong password generated by this tool.
- This tool processes everything in your browser; your input and generated passwords are never sent to or stored on our servers. While there is no risk of interception during generation, managing them afterwards is your responsibility.
Tips
[Strength Benchmark] Modern security guidelines recommend a minimum of 12 characters, preferably 15 or more. Length is often more effective than complexity against brute-force attacks.
[Passphrases] For a balance of memorability and security, consider using 'passphrases'—a combination of multiple unrelated words (e.g., correct-horse-battery-staple). They are very secure due to their length.
[Weak Passwords to Avoid] Do not use typical character substitutions (e.g., 'P@ssw0rd'), keyboard patterns ('qwerty'), or passwords containing birthdays or names, as they can be cracked instantly by dictionary attacks.
[Periodic Changes] While periodic password changes were once recommended, standard advice (from NIST and others) now favors setting one strong password and only changing it if you suspect a leak.
[Symbol Constraints] Some legacy systems or banks have limits on allowed symbols. This tool allows you to toggle specific symbols ON/OFF to match any system's requirements perfectly.
[Two-Factor Authentication] No matter how strong your password is, there's always a risk of it being stolen via phishing. Always enable Two-Factor Authentication (2FA/MFA) for critical services like SNS, banking, and email.
[No Reuse] Reusing the same password across multiple sites makes you a target for "credential stuffing attacks." If one site is leaked, attackers will try those credentials on all other major services. Always use a unique password for every account.
FAQ
Q1
What makes a password 'secure'?
A secure password meets three criteria: sufficient length (12+ characters), no predictable words, and no reuse across services. Mixing uppercase, lowercase, numbers, and symbols significantly increases resistance to brute-force attacks.
Q2
Is it safe to generate passwords in a browser?
Yes. This tool uses cryptographically secure random number generators (Web Crypto API) within your browser. No data is sent to the server, so there is no risk of third-party interception during the generation process.
Q3
What are the benefits of the 'Exclude similar characters' option?
It removes characters that are hard to distinguish in some fonts, such as 'O' (letter) vs '0' (zero) and 'l' (lowercase L) vs 'I' (uppercase i). This prevents errors when manually typing or reading the password later.
Q4
Should I use a password manager?
Highly recommended. It is impossible to remember unique, strong passwords for every service. Using tools like 1Password, Bitwarden, or browser-based managers allows you to maintain high security with ease.
Q5
Where are the generated passwords saved?
They are not saved anywhere. Once you reload the page or close the tool, the generated passwords are permanently deleted. Be sure to copy and save them in a secure location immediately.
Q6
Is a password without symbols dangerous?
Not necessarily. If symbols aren't allowed, you can compensate by increasing the length to 16 or 20 characters. Length effectively increases entropy and can make up for a smaller character set.
Q7
Is there any pattern to the passwords generated by this tool?
No. The algorithm generates strings that are completely random. The probability of specific patterns or dictionary words appearing is extremely low, making them unpredictable for attackers.
Q8
What is the maximum length I can generate?
This tool supports up to 100 characters. This covers long strings needed for Wi-Fi keys (WPA2/WPA3 up to 63 chars) and other high-security requirements.