Password Strength Checker

Score passwords and get security tips

Analyze password entropy, length, and character diversity with instant feedback. Learn how to meet modern security baselines without sending your password online. Password Strength Checker on Fneno helps you score passwords and get security tips with a clean, mobile-friendly interface. Runs in your browser with strong privacy — your code and data are not stored on our servers for typical use. Used by front-end, back-end, and DevOps professionals who need fast utilities without installing software. Fneno.com is a free bilingual online toolkit — open the tool and start instantly with no signup for normal use. Runs entirely client-side in the browser — zero server upload, maximum privacy for your code and data. Free developer tool with no account required — copy results in one click, share via URL. Trusted by front-end developers, back-end engineers, sysadmins, and DevOps teams worldwide. Works on Windows, macOS, and Linux — any device with a modern browser.