Pictures made of instructions rather than pixels. They scale to any size, they compress absurdly well, and they are also a file format that can carry a script. These articles cover both halves of that.
Print & Craft
QR and Barcode Generator: The Codes People Actually Need
A WiFi QR code generator that runs entirely in your tab, plus the payload syntax, error correction maths and print sizes that decide whether a code scans.
Favicon Generator: The Icon Files a Site Actually Needs
The favicon is the one image on your site nobody checks at the size everybody sees. Here is the short list of files a site still needs, the two measurements that decide whether your mark survives a browser tab and an Android mask, and exactly where the WordPress site icon stops.
WordPress SVG Upload: Why It Is Blocked and How to Fix It
WordPress refuses SVG uploads out of the box, and the snippet everyone pastes works on some servers and not on others. Here is the vector case for wanting one, the exact core check that rejects it, and the sizing bug you inherit once the upload finally succeeds.
CSS Gradient Generator: Gradients That Do Not Band
A gradient that looked smooth in the design tool grows stripes on the page. The cause is arithmetic: 8 bit colour, two similar colours and 1600 pixels to cover. How to count the steps before you ship, the three real fixes, and a builder that measures the banding for you.
Every static graphic on a page is a snapshot of what was true when somebody exported it. There is a whole category of quiet wrongness that follows from that.
Cleaning an SVG Before It Goes Anywhere Near Your Site
An SVG is not an image file, it is an XML document, which is why the same file can carry a script element and several kilobytes of editor litter at once. What is actually inside one, what a sanitiser removes, why six decimal places describe nothing a screen can show, and why a missing viewBox is the reason a logo turns up at the wrong size.
