Guides
Practical, step-by-step help with everyday file problems: getting photos under upload limits, protecting your privacy, and choosing the right format.
How to Get a Photo Under the Size Limit for an Online ApplicationA step-by-step way to meet KB limits and pixel dimensions on exam, job, visa and government forms without making your photo blurry.
How to Remove Location Data From Photos (iPhone, Android, Windows, Mac)Stop your phone recording where photos were taken, remove the location from photos you've already taken, and share safely on iPhone, Android, Windows and Mac.
What Is a HEIC File? How to Open and Convert iPhone PhotosWhy iPhones save photos as HEIC, how to open them on Windows, how to convert them to JPG, and how to make your iPhone save JPG instead.
JPG vs PNG vs WebP vs AVIF: Which Image Format Should You Use?A plain-English comparison of the main image formats: what each is good at, file sizes, transparency and compatibility, with a simple rule for choosing.
How to Make a QR Code That Always ScansPractical rules for QR code size, contrast, logos and testing, plus static vs dynamic codes, so the code on your poster, menu or business card works first time.
How to Turn Photos of Documents Into a Clean PDFPhotograph paperwork with your phone and turn it into a tidy, correctly ordered PDF: lighting, cropping, page size and file size, step by step.
How to Send Large Photos by Email Without Hitting the Size LimitWhy photo emails bounce, how big your attachments can be in Gmail and Outlook, and three ways to send photos anyway: compress, resize, or share a link.
How to Merge PDF Files on Windows, Mac, iPhone and AndroidCombine several PDFs into one on any device: built-in options on Mac, and a free browser method that works everywhere without uploading your documents.
How to Rotate a PDF Permanently (So It Stays the Right Way Up)Rotating a PDF in a viewer often doesn't save. Here's how to permanently fix sideways or upside-down pages so they open correctly for everyone.
What Size Should Images Be for a Website? Dimensions, KB and FormatPractical targets for website image dimensions, file sizes and formats, so pages load fast and still look sharp on every screen.
How to Share Your WiFi With a QR Code (iPhone, Android and Printed)Let guests join your WiFi by scanning a code: how to show one from your phone, and how to make a printable WiFi QR code for your home, office or rental.
Why Do Images Save as WebP? How to Get a JPG or PNG InsteadSaved an image from a website and got a .webp file that won't open or upload? Here's why it happens and the quickest ways to turn it into JPG or PNG.