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Password Gen

What it does

Creates strong, random passwords with optional length and character types. No data is stored or sent.

Your passwords are either too weak to protect accounts or too hard to remember — and you reuse them everywhere

Passwords are the first line of defense for all digital accounts, but most people use weak passwords that are easy to guess or reuse the same password across services. A data breach on one service then means all your accounts are compromised. Strong, unique passwords for each service is the only secure solution — but creating them manually is difficult because our brains are bad at randomness.

• Weak passwords are cracked in seconds — "Password123", "qwerty" and birth dates are cracked by brute-force attacks in under one second with modern hardware
• Password reuse is catastrophic — when the same password is used on 10 services and one of them is hacked, all 10 accounts are compromised
• Human randomness is predictable — when people try to create "random" passwords, they follow unconscious patterns (capital letters first, numbers last, common substitutions like @ for a)
• Password requirements vary — some services require special characters, others forbid them, some require at least 12 characters, others max 16 — it is hard to create passwords that meet all requirements

Cryptographically random passwords with full control over length, character types and format — generated locally in the browser

Password Gen generates cryptographically secure, completely random passwords with full control over length and character types. The tool uses the browser built-in cryptographic randomness generator (crypto.getRandomValues) to ensure true randomness — not pseudo-randomness. Everything happens locally in the browser, so passwords are never sent over the network or stored anywhere.

• True randomness: uses crypto.getRandomValues for cryptographically secure randomness — not Math.random or other predictable methods
• Full control: choose length (8-128 characters), uppercase/lowercase letters, numbers, special characters and whether similar characters (0/O, 1/l) should be excluded for readability
• Local generation: passwords are generated entirely locally in the browser — no data is sent to servers, no passwords are stored, no tracking data is collected
• Strength indicator: see estimated time to crack the password with brute force — from seconds (weak) to billions of years (strong)

Features

• Length selection: choose password length from 8 to 128 characters — with recommendation of minimum 16 characters for optimal security
• Character type selection: choose between uppercase letters, lowercase letters, numbers and special characters — or enable all for maximum strength
• Readability mode: exclude similar characters (0/O, 1/l/I) for passwords that must be typed manually — perfect for Wi-Fi passwords and shared accounts
• Copy with one click: copy the generated password to clipboard with one click — clipboard is automatically cleared after 30 seconds for security

How it works

1. Choose password length and which character types to include — uppercase letters, lowercase letters, numbers and/or special characters
2. The tool generates a cryptographically random password immediately — with strength indicator showing estimated crack time
3. Copy the password with one click and store it in your password manager — generate a new one for the next service

Use cases

• Everyone creating new accounts who needs strong, unique passwords for each service without spending time coming up with them
• IT administrators setting up systems who need secure passwords for databases, servers, API keys and service accounts
• Small businesses that need to generate secure Wi-Fi passwords, shared account passwords and temporary access keys for guests and employees

Why use Password Gen?

Passwords are the most common attack vector for data breaches. Over 80% of hacking-related breaches are due to weak or reused passwords. Password Gen eliminates this problem by generating cryptographically secure, completely random passwords for each service — in seconds.

Human randomness is an illusion. When you try to create a "random" password, the brain follows unconscious patterns — capital letters first, numbers last, common words with substitutions. Hackers know these patterns and exploit them. True cryptographic randomness has no patterns to exploit.

Local generation is critical for security. Many online password generators send passwords through servers — which means someone else can potentially see them. Password Gen does everything in your browser, so the password never leaves your machine until you copy it to your password manager.

FAQ

Are my passwords safe?

Yes, passwords are generated entirely locally in your browser with cryptographically secure randomness. No passwords are sent to servers, stored in databases or logged. The tool works even without internet connection.

How long should a password be?

Minimum 12 characters, but 16+ characters is recommended for important accounts. A 16-character password with all character types takes billions of years to crack with brute force. The tool shows estimated crack time to help you choose the right length.

Should I use special characters?

Yes, special characters increase password strength dramatically. A 12-character password with only lowercase letters has 95 billion combinations, while the same with all character types has 475 trillion combinations — 5000x stronger.

How do I store the passwords?

Use a password manager (1Password, Bitwarden, KeePass) to store all your passwords securely. Then you only need to remember one master password. Never store passwords in plain text in documents or notes.

Try Password Gen free