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Strong Password Generator – Random & Secure

Create strong, random passwords instantly with your choice of length, uppercase, lowercase, numbers and symbols — generated securely in your browser and never stored.

100% free No sign-up Private — runs in your browser

🔒 Generated in your browser with a cryptographically secure random generator — never sent or stored anywhere.

How it works

How to Use the Password Generator

Set the length

16+ characters is recommended for important accounts.

Choose characters

Uppercase, lowercase, numbers and symbols.

Check the strength

The meter shows entropy and estimated crack time.

Copy & save

Copy the password into your password manager.

Why use it

Why Use Our Password Generator

Cryptographically secure

Uses your browser's secure random generator (Web Crypto).

Strength meter

Entropy in bits and estimated time to crack.

Fully customisable

6–64 characters, character sets, exclude look-alikes.

Never stored

Nothing is sent or saved anywhere.

From the iSmartsLab team

Why iSmartsLab Built This Free Password Generator

We are a digital marketing and website company in Bhubaneswar. We built this to solve a real problem for the students and businesses we meet.

Why we built it

Weak passwords are a simple way for business websites and email accounts to get compromised. A strong one should take seconds to create.

How it works

Your browser’s secure random generator creates the password on your device. It is never sent to us or saved.

How it helps you

You get a long, random, unique password for every account, without having to invent one.

Want more traffic & leads?

Free tools help. Our SEO & website experts help more — get a free audit of your website.

What makes a password strong?

  • Length — every extra character multiplies the possibilities. Aim for 14–16+.
  • Randomness — no names, birthdays, phone numbers or dictionary words.
  • Variety — mix uppercase, lowercase, numbers and symbols.
  • Uniqueness — never reuse a password across sites.

Password security tips for businesses

  • Use a password manager (Bitwarden, 1Password, Google Password Manager) so staff don't reuse passwords.
  • Turn on two-factor authentication (2FA) for email, banking, hosting, domain and social media accounts.
  • Change passwords immediately when an employee leaves.
  • Never share passwords over WhatsApp or email — use the manager's sharing feature.

Protect your website too

Weak WordPress and hosting passwords are one of the most common reasons small business websites get hacked. iSmartsLab's website maintenance and security services keep your site updated, backed up and secure.

Length beats complexity

Each extra character multiplies the number of possible combinations. That is why a long random password is far stronger than a short one with a few symbols, such as Rahul@123, which uses a name and a pattern attackers often try first.

Accounts to secure first

  1. Your main email, because it can reset all other accounts.
  2. Website admin, hosting and domain logins.
  3. Banking and UPI-linked accounts.
  4. Google Business Profile, Meta Business and ad accounts.
Add a second lock: turn on two-factor authentication wherever it is offered. Even a stolen password then is not enough on its own.
01Is this password generator safe?
Yes. Passwords are generated in your browser with the Web Crypto API and are never sent to or stored on any server.
02How long should my password be?
At least 12 characters; 16 or more for email, banking and admin accounts.
03What does 'exclude look-alikes' mean?
It removes characters that are easy to confuse, such as 0/O and l/1/I — handy if you need to type the password manually.
04How do I remember a random password?
Store it in a password manager; you only need to remember one strong master password.
05What is a strong password example?
A strong password is long, random and unique, like a 16-character mix of letters, numbers and symbols. Do not copy examples from the internet, including this page.
06How often should I change my passwords?
Change them straight away if there is a breach or if someone leaves your team. Unique, long passwords with two-factor authentication matter more than frequent changes.

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