Strong Password Generator — Complete Guide
A complete guide to the Strong Password Generator: how it works, how to use it, real use cases, and tips for generating strong, customisable random…
The Strong Password Generator is a free, instant online tool for generating strong, customisable random passwords with symbol and length control. This complete guide walks through what it does, how to use it, where it works best, practical tips, and answers to common questions — everything you need to get great results without any signup or installation.
What is the Strong Password Generator?
A strong password generator saves you from the weak, reused credentials that make accounts easy targets for brute-force and credential-stuffing attacks. This tool builds cryptographically random passwords locally in your browser — nothing is sent to a server, ever. Control length (up to 128 characters), toggle uppercase, numbers, and symbols on or off, and produce up to 20 passwords in one click.
Strength comes from two things: length and entropy. A 16-character password mixing all four character types creates billions of possible combinations. Dropping to 8 characters or removing character sets collapses that space fast. The defaults here are deliberately generous — adjust them to match any site's specific rules without sacrificing randomness.
How to use the Strong Password Generator
Getting a result takes only a few seconds:
- Set the password length using the length field — 16 is a strong default, go higher for critical accounts.
- Toggle uppercase, numbers, and symbols on or off to match the character requirements of your target system.
- Set the count to how many passwords you need, then click Generate to produce the full list instantly.
- Review the list and copy the password or passwords you want to use directly from the output.
- Paste each password into a password manager entry immediately — do not rely on the page staying open.
You can open the Strong Password Generator and start generating right away. Because it runs instantly and for free, it costs nothing to generate several times and keep the result that fits best.
Common use cases
The Strong Password Generator suits a range of situations:
- Generating a 32-character master password for a 1Password or Bitwarden vault
- Bulk-creating 20 temporary credentials during team onboarding in a single click
- Producing symbol-free passwords for legacy systems that reject special characters
- Setting strong service-account passwords for Linux servers or database users
- Replacing reused passwords across multiple SaaS accounts in one focused session
Across all of these, the appeal is the same: a fast, repeatable result that would take far longer to put together by hand, available the moment you need it.
Tips for better results
- For password manager master passwords, set length to 24 or higher and enable all character types — you only need to memorise one.
- If a site rejects a generated password, regenerate rather than manually editing it — hand-editing reduces randomness and often introduces patterns.
- Use the count field set to 10-20 when onboarding new users so you have spare passwords ready without running the generator repeatedly.
- Symbols dramatically increase crack time but some older systems only accept alphanumeric characters — keep symbols off for those and compensate with length above 20.
- Avoid reducing length to make passwords easier to type — if you are using a password manager, you never type them anyway.
- For API secrets and tokens, 32 characters with all character types enabled closely mimics the format of industry-standard secrets like those generated by AWS or GitHub.
Frequently asked questions
How long should a strong password be in 2024
Aim for at least 16 characters for everyday accounts and 20 or more for high-value targets like email, banking, or your password manager vault. Length raises entropy faster than adding symbol types alone — a 20-character lowercase-only password is harder to crack than an 8-character one packed with symbols. This generator defaults to 16, which is a solid baseline for most cases.
Are passwords generated in the browser actually safe
Yes, as long as generation happens client-side with no network requests — which is exactly how this tool works. Your passwords are created by local JavaScript and never transmitted to any server, logged, or stored. You can go offline before clicking generate and it will still work; close the tab and the passwords are gone unless you copied them.
Random password vs passphrase — which is stronger
Randomly generated passwords win on entropy per character, making them harder to brute-force at equivalent lengths. Passphrases are easier to memorise, which only matters if you're not using a password manager. If you store credentials in a manager — and you should — use this generator's random output since memorability is irrelevant.
Related tools
If the Strong Password Generator is useful, these related generators pair well with it:
Try it yourself
The Strong Password Generator is free, instant, and unlimited — there is nothing to install and no account to create. Open the Strong Password Generator and run it a few times until you find a result that fits.
It is one of many free numbers and randomness generators on Generator Collection. If it helped, browse the full numbers category to find more tools like it.