Home › URL tools › Password Generator

Password Generator

Generate a strong, random password in seconds. Set the length, choose your character set and copy it instantly — securely and privately, right in your browser.

Click Generate to create a password

Length

Uppercase (A-Z) Lowercase (a-z) Numbers (0-9) Symbols (!@#$…)

What Is a Strong Password Generator?

A strong password generator creates a long, random string of characters that is hard for attackers to guess. It builds each password by picking characters at random from the sets you allow — uppercase, lowercase, numbers and symbols — so the result is unpredictable and unique.

Using a random password matters more than ever. Attackers run dictionary attacks and use lists of passwords leaked in breaches to try common or reused credentials. A truly random 16-character password drawn from a large pool has enormous entropy (a measure of how hard it is to guess), which is why it takes an impractical amount of computing power to crack.

This generator uses the browser’s Web Crypto API (crypto.getRandomValues()) for cryptographically secure randomness, and it runs entirely on your device. Nothing is uploaded, logged or stored, so the password exists only where you put it — in your password manager.

How to Use the Password Generator

Set the password length with the slider (8 to 64 characters).
Pick which character types to allow — uppercase, lowercase, numbers and symbols.
Click Generate to create a strong, random password.
Click Copy to place it on your clipboard, then paste it into the site or your password manager.

Example

Slide the length to 16 and tick Uppercase, Lowercase, Numbers and Symbols. Click Generate and you might get something like vQ7!pW3$nL9@tR2#.

Each click produces a different password — the tool never repeats. The status line shows the strength label (for example Strong) and the number of characters and entropy bits, so you can see roughly how secure it is. Because it is genuinely random, you should always copy and save it before leaving the page.

Who is this password generator for?

This strong password generator is useful for anyone who has been putting off better account security — and it takes just a few seconds to use.

Students and young adults: When you are signing up for school portals, streaming services and social accounts, a password generator creates a unique password for each one so a single breach does not spread.
Couples: Shared accounts for banking, bills and streaming are far safer when you generate a password you did not choose from a guessable pattern, then save it in a password manager you both trust.
Salaried professionals: Work accounts, admin panels and developer logins deserve a unique random password — generate a fresh one whenever a project moves or a change-of-owner happens.
Retirees: Creating a long, random password you do not have to invent is easier than memorising variants of the same word, and this generator runs privately in your browser so nothing is saved anywhere.

Password entropy examples

Entropy is measured in bits using length × log2(pool size). The table below shows how the length and the mix of character types change the strength of a generated password, using the same calculation as this generator.

Length	Character set	Possible characters	Entropy (bits)	Strength label
8	All four sets	94	52	Good
12	Lowercase only	26	56	Good
12	Lowercase + uppercase	52	68	Strong
12	All four sets	94	79	Strong
16	Lowercase + uppercase + numbers	62	95	Very strong
16	All four sets	94	105	Very strong

Common Use Cases

Creating a password for a new account or service.
Replacing a weak password after a breach or security review.
Generating seeds and keys for a password manager.
Making secure passwords for admin and registration forms.

Pro Tips

Use at least 16 characters to keep entropy high.
Tick all four character sets for the strongest, hardest-to-guess passwords.
Never reuse a password across sites — store each in a password manager.
Avoid dictionary words or obvious patterns, and don't share passwords over insecure channels.

FAQ

How secure is this password generator?

It uses the Web Crypto crypto.getRandomValues() API, which is cryptographically secure and runs entirely in your browser — nothing is sent to a server or stored.

How long should a password be?

Aim for at least 12-16 characters. You can set any length from 8 to 64 with the slider, and mix uppercase, lowercase, numbers and symbols.

How do I copy the generated password?

Click the Copy button and the password is copied to your clipboard instantly. Never reuse the same password across sites.

Is the generator private?

Yes. It runs entirely in your browser — no data is uploaded, stored or shared.

What makes a password strong?

Length plus variety. A long mix of uppercase, lowercase, numbers and symbols is far harder to crack than a short or single-type password.

Should I use a passphrase instead?

Passphrases are a great, memorable alternative — several random words are long and strong. This generator also works for building one by combining random tokens.

What is entropy?

Entropy is a measure of unpredictability, roughly bits of randomness. The tool shows a strength label based on the length and character set you choose.

Does it use true randomness?

Yes. It uses crypto.getRandomValues(), a cryptographically secure source, not the pseudo-random Math.random() commonly found in weaker generators.

Is it safe to reuse a password?

No. Use a unique password for every service and store them in a password manager so each account stays secure.

Why is my password not saved anywhere?

Because it is created and kept entirely in your browser for privacy. Copy it to your own password manager or a secure note.