Security tool

Password Strength Checker

Estimate how strong a password is based on length and character variety.

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One-time $25 · all 199 tools included · no subscription, ever

Why people use Password Strength Checker

Use Password Strength Checker directly in your browser - nothing to install
Fast, private, and built to do one job well
Works on desktop and mobile
Included with every Xerion license, alongside the full toolbox

Frequently asked questions

Is Password Strength Checker free to use?

Xerion works on a simple one-time license: $25 once, no subscription, and every tool on the platform is included - Password Strength Checker and 198 others. New accounts can look around before buying.

Is my data private when I use Password Strength Checker?

Yes. Many Xerion tools, including much of what Password Strength Checker does, run entirely in your browser. Anything you save is stored in your own account, never sold, and never shown to advertisers - there are no ads on Xerion.

Do I need to install anything to use Password Strength Checker?

No. Password Strength Checker runs in any modern browser on Windows, Mac, Linux, iPhone, and Android. There is nothing to download, update, or uninstall.

Does Password Strength Checker work on my phone?

Yes - every Xerion tool is built mobile-first, and Password Strength Checker works on any phone or tablet with a modern browser.

What else is included with Password Strength Checker?

Your license unlocks all 199 tools on Xerion - security tools like this one, plus PDF tools, planners, trackers, generators, and more. Browse the full directory to see everything.

More security tools on Xerion

Password Generator
Generate strong, random passwords with custom length and character rules.
Hash Generator
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes for any text.
Text Encryption
Encrypt and decrypt text with a password using AES-256.
Credit Card Validator
Check a card number format with the Luhn algorithm and detect its network.
Passphrase Generator
Generate a memorable, word-based passphrase.

One license. Every tool. Forever.

Password Strength Checker and 198 other tools for a single one-time $25. No subscription. No ads. No upsells mid-task.

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