# Password Guardian > Protect & Optimize Your Website Every tool and article on Password Guardian is free to use — no sign-up required. The links below are the primary, canonical resources on this site. ## Tools - [Redirect Checker](https://safewebtools.click/tool/redirect-checker/): 7 Reasons Security-Conscious Developers Swear By Redirect Checker Every click on a shortened URL is a small act of faith. You trust that the link tak… - [Open Graph Checker](https://safewebtools.click/tool/open-graph-checker/): What Exactly Is an Open Graph Checker, and Why Should Security-Minded People Care? An Open Graph Checker is a web-based tool that reads the Open Grap… - [Sitemap Generator](https://safewebtools.click/tool/sitemap-generator/): Sitemap Generators Are a Security Risk — And Other Myths That Need to Die Every few months, a developer in some forum warns their peers away from sit… - [Robots.txt Checker](https://safewebtools.click/tool/robots-txt-checker/): What a Robots.txt Checker Actually Tells You (And What It Doesn't) Most developers treat robots.txt like a formality — drop it in the root directory,… - [Whois Lookup](https://safewebtools.click/tool/whois-lookup/): So What Exactly Is a Whois Lookup? Think of the internet like a giant city. Every website is a building, and every building has an owner. A Whois loo… - [DNS Lookup](https://safewebtools.click/tool/dns-lookup/): When Domains Lie: How DNS Lookup Tools Expose What's Really Happening Behind a Web Address In late 2023, a small e-commerce company in Ohio noticed… - [HTTP Header Checker](https://safewebtools.click/tool/http-header-checker/): The Day I Finally Understood What My Server Was Broadcasting I had been running a small personal blog for about two years before I even knew what an … - [Website Speed Test](https://safewebtools.click/tool/website-speed-test/): Website Speed Test Tools: How the Field Stacks Up (and Why This One Earns Its Place) If you've ever stared at a loading spinner wondering whether it'… - [Password Strength Tester](https://safewebtools.click/tool/password-strength-tester/): Why Your Password Is Probably Weaker Than You Think Most people believe they create strong passwords. They add a capital letter, tack on a number at … - [SSL Certificate Checker](https://safewebtools.click/tool/ssl-certificate-checker/): What an SSL Certificate Checker Actually Tells You (And Why You Should Care) Most website owners install an SSL certificate and never look at it agai… - [Strong Password Generator](https://safewebtools.click/tool/strong-password-generator/): Free in-browser strong password generator. Adjust length, symbols, numbers & case. Cryptographically random, never sent to any server. Copy in one cl… - [Passphrase Generator](https://safewebtools.click/tool/passphrase-generator/): Free online Diceware-style passphrase generator. Pick word count, separator, and custom options to create strong, memorable passphrases with entropy … - [Password Strength Meter](https://safewebtools.click/tool/password-strength-meter/): Free password strength meter with entropy scoring and time-to-crack estimates. See exactly how strong (or weak) your password really is, tested 100% … - [Have I Been Breached Checker](https://safewebtools.click/tool/breach-checker/): Free breach checker using k-anonymity hashing: see if your email or password appeared in known data breaches. SHA-1 computed locally — your credentia… - [PIN Code Generator](https://safewebtools.click/tool/pin-code-generator/): Free PIN code generator that creates secure random numeric PINs of any length (4–12 digits), automatically avoiding weak sequences like 1234, 0000, a… - [Bulk Password Generator](https://safewebtools.click/tool/bulk-password-generator/): Free bulk password generator: create 1–500 unique strong passwords at once with custom length, symbols, and character rules. Copy or download instant… - [Password Entropy Calculator](https://safewebtools.click/tool/password-entropy-calculator/): Free password entropy calculator: enter any password and instantly see its bit-entropy, character-set size, crack-time estimates, and actionable stre… - [Memorable Password Generator](https://safewebtools.click/tool/memorable-password-generator/): Free memorable password generator that creates easy-to-remember yet strong passwords by blending pronounceable syllables, numbers, and symbols. No si… - [Pwned Password Hash Lookup](https://safewebtools.click/tool/pwned-password-hash-lookup/): Check if your password has been found in data breaches using k-anonymity: your password is hashed locally and only a 5-char prefix is sent to the HIB… - [WiFi Password Generator](https://safewebtools.click/tool/wifi-password-generator/): Free WiFi password generator for WPA2/WPA3 networks. Create long, secure, random keys that resist dictionary attacks for home or office routers — ins… - [Password Manager Master Key Builder](https://safewebtools.click/tool/master-key-builder/): Build an ultra-strong, memorable master password for your password vault using passphrases, entropy scoring, and strength checks — 100% offline, noth… - [Crack Time Estimator](https://safewebtools.click/tool/crack-time-estimator/): Estimate how long it takes to crack your password using real GPU hash rates (RTX 4090, botnets, bcrypt). See results across 6 attack scenarios instan… ## Articles - [g100.us vs TextNow: Best Business Phone Number in 2026?](https://safewebtools.click/g100-us-vs-textnow-business-number/): g100.us vs TextNow: compare business phone numbers for calls, SMS & WhatsApp. See why g100.us wins on pricing, coverage & instant setup in 2026. - [g100.us Review: The Only Business Number Tool You Need](https://safewebtools.click/only-business-number-tool-g100us/): Looking for the only business number tool you need? g100.us gives you calls, SMS & WhatsApp on one number, 100+ countries, instant activation, no con… - [Why Reusing Passwords Is the Single Worst Habit Online](https://safewebtools.click/why-reusing-passwords-is-dangerous/): Learn why reusing passwords is so dangerous and follow a practical, step-by-step migration plan using password managers and breach-check tools to sec… - [Your Quick Password Security Checklist for 2026](https://safewebtools.click/password-security-checklist-2026/): Tick off this 2026 password security checklist: strong generation, password manager setup, MFA best practices, and breach monitoring tools explained … - [Password Generator FAQ: Everything People Ask About Random Passwords](https://safewebtools.click/password-generator-faq/): FAQ covering password length, special characters, randomness quality, breach checking, passphrases, and storage — everything you need to know about g… - [The Anatomy of a Credential-Stuffing Attack](https://safewebtools.click/anatomy-of-credential-stuffing/): How attackers turn breached password lists into mass account takeovers — the tools, economics, and defenses behind credential-stuffing attacks. - [How k-Anonymity Lets You Check Breaches Without Leaking Your Password](https://safewebtools.click/k-anonymity-breach-checks/): Learn how the k-anonymity hash-prefix technique lets you check breached passwords safely — the server never sees your password, only a short prefix s… - [I Checked 10 of My Old Passwords Against Breach Databases. Here's What I Found.](https://safewebtools.click/checking-old-passwords-against-breaches/): A first-person account of checking old passwords against breach databases using Have I Been Pwned and Bitwarden — and finding credentials exposed for… - [Understanding Password Entropy: The Math Behind Strength](https://safewebtools.click/understanding-password-entropy/): Learn the entropy formula behind password strength, how bits translate to cracking time, and why breach checks protect against a different threat ent… - [How to Build an Unbreakable Master Password You Can Remember](https://safewebtools.click/build-unbreakable-master-password/): Learn a step-by-step method to create a strong, memorable master password using Diceware passphrases, breach checks, and a 7-day memorization habit. - [7 Password Myths That Are Putting You at Risk](https://safewebtools.click/password-myths-debunked/): Debunking 7 common password myths — from forced rotation to complexity rules — with what current NIST guidelines and security research actually recom… - [What Is a Data Breach and How Do I Know If I'm In One?](https://safewebtools.click/what-is-a-data-breach/): Learn what a data breach really is, how to check if your accounts were exposed using free tools like Have I Been Pwned, and how to protect yourself w… - [Passphrases vs Passwords: Which Is Actually More Secure?](https://safewebtools.click/passphrases-vs-passwords/): Passphrases vs complex passwords: compare entropy, memorability, and real-world security. Honest breakdown with breach-check advice and practical gui… - [How Long Would It Take to Crack Your Password in 2026?](https://safewebtools.click/how-long-to-crack-your-password-2026/): Real GPU benchmarks reveal how fast passwords crack in 2026. See crack times by length and character set, plus what actually makes a password unbreak… ## About & Policies - [About Us](https://safewebtools.click/about-us/) - [Contact Us](https://safewebtools.click/contact-us/) - [Terms of Service](https://safewebtools.click/terms-of-service/) - [Disclaimer](https://safewebtools.click/disclaimer/) - [Privacy Policy](https://safewebtools.click/privacy-policy/) ## Notes - Full URL list: https://safewebtools.click/sitemap.xml - Content is original and maintained by Password Guardian. Attribution is appreciated when cited.