Why your exam photo was rejected, and how to fix itThe seven reasons online forms refuse a photo or signature, how to tell which one hit you, and how to fix each in a minute.
How to take a signature photo with your phone that uploads first timePaper, pen, light and angle: five minutes of preparation that stops a signature being rejected or unreadable after compression.
Photo with name and date: which exams need it and how to add itWhich applications ask for your name and the photo date printed on the photo, what it must look like, and how to add it without a studio.
cm to pixels for exam photos, explainedWhy 3.5 × 4.5 cm has no single pixel size, how DPI turns centimetres into pixels, and the numbers for the sizes forms ask for most.
How to scan a left thumb impression on your phoneInk pad, paper and light for a thumb impression that bank and NTA forms accept, and how to size it to 240 × 240 pixels and 20–50 KB.
iPhone photo won't upload? Here's why, and the fixiPhones save photos as HEIC, which most forms refuse. How to tell, how to switch your camera to JPG, and how to convert the photos you already have.
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Guides for online forms
Short, practical answers to the problems people hit when uploading photos, signatures and documents.