Photos can carry the date, the phone model and even GPS coordinates. Learn what EXIF data is, how to check it and how to share pictures without giving away where you live.
A practical guide to deciding which AI crawlers may visit your site, how training, search and user bots differ, and how to write and test the rules.
What tokens are, how context windows limit your prompts, and how to estimate what an AI feature will cost before you build it, with worked examples.
A practical guide to everyday PDF jobs: combining, splitting, reordering, shrinking and signing PDFs in your browser, and what each step does to your file.
Why modern image formats like HEIC, WebP and AVIF cause trouble, where they come from, and how to convert them to JPG or PNG without losing what matters.
A practical guide to meeting photo and signature size limits on application forms: crop first, resize, then compress, with fixes for the usual rejections.