Complete guide to using Password Strength Checker — a free online tool by akousa.net.
Get started in seconds — no signup required
A password strength checker analyzes your password against security criteria including length, character variety, common patterns, and entropy to give you a strength rating and estimated time to crack. All analysis happens locally in your browser — your password is never sent to any server.
Opens instantly with no app install.
Use reduced samples and avoid secrets when working with sensitive data.
Download your results in multiple formats
Fully responsive design works on any device
Type your password in the input field. The strength meter updates in real-time showing: strength level (Very Weak to Very Strong), detailed criteria checklist, estimated crack time, and improvement suggestions. Use the eye icon to show/hide your password. Click the security notice to confirm all analysis is local.
Password Strength Checker is a free tool for fast everyday work with no signup required for basic use. It helps you get instant results, review them, and move on without installing a separate app.
Developers, designers, students, and everyday users rely on this tool for quick, accurate results. It's especially popular among people who need a reliable utility without installing software or signing up for an account.
Looking at alternatives to Password Strength Checker? Here's how we compare to similar tools available online.
| Feature | akousa.net | Other tools |
|---|---|---|
| Price | Free forever | Often paid or freemium |
| Privacy | Privacy-conscious workflow | Varies by provider |
| Signup | Not required | Account often required |
| Ads & tracking | None | Ads and trackers common |
| Usage limits | Unlimited | Daily or file-size limits |
Add Password Strength Checker to your own website with a single line of code — free, no signup required.
Get embed codePassword Strength Checker is also available as a developer API for use in your own apps and workflows.
View API docsEncode or decode URL components.
Scan QR codes from images or live camera feed — detects URLs, WiFi, contacts, emails, and plain text.
Generate SHA-384 hash digests of text input.
Visually design CSS border-radius with live preview and copy the generated code.