The latest articles on DEV Community by Farhan Adil (@farhan_adil1). https://dev.to/farhan_adil1 https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F3721929%2F50d423f8-e21c-4693-8732-dac891762dac.png https://dev.to/farhan_adil1 en Farhan Adil Tue, 20 Jan 2026 14:33:00 +0000 https://dev.to/farhan_adil1/how-i-built-a-free-password-strength-checker-no-passwords-ever-leave-your-browser-2phe https://dev.to/farhan_adil1/how-i-built-a-free-password-strength-checker-no-passwords-ever-leave-your-browser-2phe <p>Weak passwords are still one of the biggest security risks.<br> As a small experiment, I built a free password strength checker that runs entirely in the browser.</p> <p>What makes it different:</p> <p>No passwords are stored or sent to any server</p> <p>Uses entropy-based checks, not simple rules</p> <p>Works offline once loaded</p> <p>Mobile and desktop friendly</p> <p>I noticed most tools either feel outdated or push signups.<br> My goal was to keep it simple, fast, and privacy-first.</p> <p>👉 Try the tool here:<br> <a href="https://passwordstrengthonline.com/" rel="noopener noreferrer">https://passwordstrengthonline.com/</a></p> <p>I am also adding a password generator with customizable length and character sets.</p> <p>If you are a developer or student, feedback is welcome.<br> Happy to improve it further.</p> programming cybersecurity web3