Generate strong, random, secure passwords instantly. Customize length, character sets, and quantity — entirely in your browser. No data ever leaves your device.
Customize Password
Character Sets
Advanced
Generated Password
Click “Generate Password” to start…
Security Tips
- ✓Use a unique password for every account — never reuse.
- ✓Store all passwords in a trusted password manager.
- ✓Enable two-factor authentication (2FA) everywhere.
- ✓Never share passwords over email or chat.
- ✓16+ characters is recommended for high-value accounts.
What Is a Password Generator?
A Password Generator is a free online security tool that automatically creates strong, random, and unpredictable passwords for you. When you make up your own password, you typically use simple patterns — which are easily guessable by hackers.
This tool gives you full control — password length (4 to 64 characters), character types (uppercase, lowercase, numbers, symbols), and you can even generate up to 20 passwords at once in bulk mode.
A built-in Password Hash Generator is also included, where developers can generate MD5, SHA-256, SHA-512 and Bcrypt hashes — all inside the browser, no server involved.
2 sec
6-char simple password crack time
3 hrs
8-char lowercase-only password crack time
7 yrs
10-char mixed-case + digits crack time
∞
16-char fully random password crack time
Times estimated with modern GPU brute-force. A 16+ char random password is virtually uncrackable.
How to generate a password?
Just 4 simple steps — no learning curve.
Choose Length
Drag the slider to set your desired password length. 16 characters is a solid default for most accounts.
Select Character Sets
Toggle uppercase, lowercase, numbers and symbols. More variety = stronger password.
Advanced Options
Optionally exclude ambiguous characters (I, l, 1, O, 0) or prevent character repetition.
Generate & Copy
Click "Generate Password" and copy with one click. Done — your strong random password is ready.
Is this tool 100% safe to use?
Yes — completely safe. This tool is purely client-side. Your password never leaves your browser. We use the Web Crypto API — the same standard used in banking and government applications.
- Generated inside your browser using the Web Crypto API
- Zero server communication — password never leaves your device
- No cookies, no tracking, no account required
- Works offline once the page is loaded
- No data saved to localStorage or sessionStorage
- Do not use auto-fill if someone else can see your screen
- Never store passwords in plain text files or chat messages
Technical Architecture
Web Crypto API
CSPRNGcrypto.getRandomValues() — the browser's built-in Cryptographically Secure PRNG. 1000× more secure than Math.random().
Zero Network Calls
Offline-ReadyNo HTTP requests during password generation. Inspect the Network tab yourself to verify.
No Storage
EphemeralNothing saved to localStorage, sessionStorage or cookies. Refresh the page — everything is wiped.
Why use a Password Generator?
Everyone has dozens of online accounts today. One weak or reused password puts all of them at risk.
Problem: Weak Passwords
81%
of data breaches are caused by weak or stolen passwords (Verizon DBIR)
65%
of people reuse the same password across multiple sites
2 sec
is all it takes to crack a 6-character lowercase-only password
100% Private
Everything runs inside your browser. No password ever reaches our servers.
Cryptographically Secure
Uses Web Crypto API (crypto.getRandomValues) — same standard as banking apps.
Instant Generation
Create one password or 20 in bulk in under a millisecond.
Fully Customizable
Control length (4–64 chars), character sets, ambiguity and repetition rules.
Where can you use this tool?
From developers to regular users — useful for everyone.
Website & App Logins
Email, banking, social media — a unique unguessable password for every account.
Database Credentials
MySQL, PostgreSQL, MongoDB root/admin accounts.
Server & SSH Access
VPS, cloud servers and SSH keys secured with long complex passwords.
API Keys & Secrets
Random secrets for JWT tokens, API keys and environment variables.
Password Manager Seed
Pair with a password manager for a unique strong password per site.
Team & Admin Accounts
Temporary passwords for new employees, admin panels or service accounts.
Password Security Golden Rules
Generating a strong password is just step one. Follow these practices too.
Unique Password Everywhere
Never reuse a password on another site. One leak compromises everything.
Use a Password Manager
Bitwarden, 1Password or LastPass — keep everything safe in an encrypted vault.
16+ Characters Recommended
The longer the password, the more secure. 20+ for high-value accounts.
Rotate Passwords Regularly
Change passwords on sensitive accounts every 6–12 months.
Always Enable 2FA
Two-factor authentication is the perfect companion to a strong password.
Avoid Personal Info
Names, birthdays, phone numbers — all easily guessable. Avoid them.
Watch Out for Phishing
A strong password is useless if entered on a fake site. Always check the URL.
Never Store in Plain Text
Never save passwords in Notes, Word files or chat messages.
Manual vs. Generated Password
What's the difference between a self-made password and a randomly generated one?
| Feature | ❌ Manual Password | ✅ Generated Password |
|---|---|---|
| Randomness | Predictable patterns | True cryptographic randomness |
| Dictionary Attack | Highly vulnerable | Virtually immune |
| Brute Force Time | Seconds to hours | Trillions of years |
| Character Variety | Usually limited | All 4 types by design |
| Length | Usually 6–10 chars | Configurable 4–64 chars |
| Uniqueness per site | Often reused | 100% unique every time |
Password Security: Complete Guide
How does password cracking work?
Hackers mainly use 3 methods: Brute Force (trying every combination), Dictionary Attack (matching against a list of common words), and Credential Stuffing (trying passwords leaked from other sites). A truly random password defeats all three.
What is password entropy?
Entropy measures how hard a password is to guess. The larger the character set and the longer the password, the higher the entropy. Using all 4 character types (95 chars) vs lowercase only (26 chars) raises entropy exponentially.
What is a password manager?
A password manager is an encrypted digital vault that stores all your passwords securely. You only need to remember one strong master password. Bitwarden (free & open source), 1Password and LastPass are popular options with browser auto-fill.
Hashing vs Encryption
Encryption is two-way — data can be locked and unlocked. Hashing is one-way — once hashed, the original text cannot be recovered. Passwords should always be hashed for storage, never encrypted. Use Bcrypt which handles salting automatically and is brute-force resistant.
Two-Factor Authentication (2FA)
2FA adds an extra security layer — after your password, a temporary OTP is also required. Even if your password leaks, an attacker cannot login without the 2FA code. Use Google Authenticator, Authy or hardware keys (YubiKey).
Notes for Developers
Never store plain text passwords in a database. Use Bcrypt or Argon2 with an appropriate cost factor. Use this tool to generate random 32+ character strings for database credentials, JWT secrets and API keys. Store them in environment variables, never in the codebase.
Frequently Asked Questions
Everything you need to know about the Password Generator.