Free Password Generator – Strong Random Passwords Online
Generate strong, random passwords online for free. Customizable length and characters with a strength meter — 100% private, nothing leaves your browser.
Tool Interface
Create strong, random passwords in one click. Choose the length and character sets, generate as many as you need, and copy them instantly. Everything runs in your browser — your passwords never leave your device.
How to use
- Pick a preset or set the length (4–64 characters) and tick the character sets you want.
- Click Generate passwords — each password is built with cryptographically secure randomness.
- Copy any password individually, or use Copy all to grab the whole list at once.
- Longer passwords with all four character sets are the hardest to crack — 16+ characters is a good default.
- “Exclude ambiguous” removes characters that look alike (I, l, 1, O, 0) so passwords are easier to read and type.
- Never reuse passwords across sites — generate a unique one for every account and store them in a password manager.
100% private — passwords are generated locally in your browser and never sent anywhere.
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About This Tool
Introduction
Weak and reused passwords are the #1 cause of hacked accounts. The Trencada Password Generator creates strong, truly random passwords in one click — free, online, with no signup. Every password is generated with cryptographically secure randomness right in your browser, so it never touches a server and can never leak.
How to Use
- Pick a quick preset (Strong 16, Readable 12, PIN 6-digit, Maximum 32) or customize: set any length from 4 to 64 characters and tick uppercase, lowercase, numbers, and symbols.
- Choose how many passwords to generate (1 to 10) and click Generate passwords.
- Check the strength meter, then copy any password individually or grab them all with Copy all.
Key Features
- Cryptographically secure generation using the Web Crypto API
- Lengths from 4 to 64 characters with live strength (entropy) meter
- Uppercase, lowercase, numbers, and symbols, plus an exclude-ambiguous-characters option
- Generate up to 10 passwords at once with one-click copy for each
- 100% private — everything runs locally in your browser
Why Choose Trencada
Free forever, no account, no tracking. Works on phone, tablet, and desktop.
FAQ
Are these passwords safe to use?
Yes — they are generated with your browser\'s cryptographic random number generator and never leave your device.
What password length should I choose?
16 or more characters with all character sets enabled is a strong default.
Can I make a numeric PIN?
Yes — use the PIN 6-digit preset or tick only Numbers.
Is it really free?
Yes — all Trencada tools are free with no signup and no limits.