Articles

The right format depends on destination, not the image. WEBP for websites, JPG for email and social uploads, PNG for screenshots and transparency. The caveats nobody mentions.

YouTube thumbnails live at predictable public CDN URLs — no API key needed. Here's the full workflow: fetch each thumbnail, then arrange them into a grid in any free tool.

The most effective step isn't touching quality settings — it's reducing pixel dimensions first. The real numbers, the photo vs. screenshot split, and when "lossless" is a lie.

Most free HEIC converters upload your photo to a server first. Here's how browser-based conversion actually works, and two ways to verify a tool isn't uploading your files.

HEIC is a container, not just a compressed image — that's why Live Photos, depth maps, and burst mode need it. The real mechanics, and why the rest of the industry didn't follow Apple.

Chrome saves images as WEBP because of an HTTP content-negotiation handshake, not a setting you broke. The real mechanism and four ways to get JPG instead.

The actual technical reason iPhone HEIC photos won't open on Windows 11 — it's a codec licensing problem, not a Windows bug. Four ways to fix it, with honest recommendations for which one to actually use.