Privacy articles: Page 2

Why Free QR Code Sites Ask for Your Email Before Delivering the QR Code

You finish designing a QR code, click Download, and get a surprise: the site wants your email address first. Sometimes it asks you to create an account. Sometimes it promises to “send the file” even though the QR code is already visible in your browser. Sometimes the download works, but only after you verify the address or begin a free trial. That creates an obvious question: Why does a free QR …

Why I Built a Password Generator I Could Actually Trust

A password generator asks for an unusual amount of trust. You open a page, click a button, and let code written by a stranger create the secret that may protect your email, bank account, cloud storage, or business. The result looks random, but appearances tell you almost nothing. You cannot tell by looking at a password whether it came from a cryptographically secure source, a predictable …

QR Codes Explained: How They Work, What They Reveal, and How to Use Them Safely

A QR code looks like digital static, but every square has a job. Some help a camera find the code. Others describe how to read it. The rest carry a message—often a web address—plus enough backup information to survive a smudge, scratch, or awkward camera angle. That clever design helped QR codes move from Japanese car factories to restaurant tables, boarding passes, product packaging, payment …