Simple, free tools that run entirely in your browser. We never see or store what you type.
See how strong a password really is — entropy, crack-time estimate, and tips. Runs entirely in your browser.
Open tool →Eight real-looking messages — can you tell the genuine ones from the scams? Instant feedback teaches the tells.
Open tool →Check whether your email appears in known data breaches, powered by XposedOrNot, with advice on what to do next.
Open tool →Answer eleven quick questions and get a personal security score plus a prioritized action plan.
Open tool →Create strong random passwords or memorable passphrases with your device secure random generator. Fully in-browser.
Open tool →Make a QR code guests can scan to join your Wi-Fi — no reading the password aloud. Generated on your device; nothing is uploaded.
Open tool →Type a password and watch the estimated time-to-crack change across three attacker scenarios. Fully in-browser.
Open tool →See if a password appears in known breaches. It is hashed in your browser — only a partial hash is ever sent.
Open tool →Compute a file SHA-256 hash locally and compare it to the publisher checksum to confirm a download was not tampered with.
Open tool →Enter a site and see its security headers (HTTPS, HSTS, CSP, and more) graded in plain English.
Open tool →Paste a link and see its red flags explained — look-alike domains, the "@" trick, hidden redirects and more. Checked in your browser.
Open tool →Paste a suspicious text, email, or DM and see the manipulation tactics and red flags explained, with a plain-English risk rating. Analyzed in your browser.
Open tool →Answer a few questions about your devices and files and get a personalized 3-2-1 backup plan you can print. Nothing leaves your browser.
Open tool →A free, printable worksheet so loved ones can reach your key accounts if something happens — without writing down a single password.
Open tool →Our companion site: a growing library of ready-to-use AI prompts, including ones for security, privacy, and staying safe online. Opens in a new tab.
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