Guides
Short, practical explanations to go with the tools.
JPG vs PNG vs WebP: Which Image Format Should You Use?A plain comparison of JPG, PNG and WebP. What each format is good at, where it falls short, and which one to pick for photos, logos, screenshots and websites.How to Merge PDF Files Without Uploading ThemCombine several PDFs into one document in a few steps, in your browser, without sending your files to a server. With tips for order, large files and protected PDFs.How to Compress an Image for a WebsiteThree steps to make images load fast on a website: resize to the size you need, choose the right format, and compress. With practical quality settings.What Makes a Strong Password?Why length beats complexity, what password strength in bits means, and the three habits that protect your accounts better than any clever trick.How to Create a QR Code for Your Wi-FiMake a QR code that lets guests join your Wi-Fi by pointing their phone camera at it. Steps, printing tips, and what to know about safety.