How-tos and explainers for PDF, image, video, audio and everyday files. Every guide is written around a free tool on this site, with the limits stated up front.
Arbaz Khan · Nov 1, 2026
Image File Formats Explained: JPG, PNG, WebP, GIF, SVG
JPG, PNG, WebP, GIF or SVG? What each format does to your photo, why the same file changes size, and which one to pick for web, print and logos.
Image Guides 12 min read
Arbaz Khan · Nov 1, 2026
What Is a PDF File? Meaning, History and How It Works
What is a PDF file? A plain-English guide to what PDF means, how it keeps every page identical, its types, its limits, and when not to use one.
PDF Guides 13 min read