Guides
Written from the failures that actually stop an upload going through, not from a keyword list. Each guide links to the tools it applies to.
Why application photo uploads get rejected
The technical reasons portals reject a photo — file size floors, colour profiles, HEIC files and pixel dimensions — and how to fix each one.
Last reviewed
Converting centimetres to pixels for application forms
How to turn a photo size stated in centimetres or inches into the pixel dimensions an upload form actually checks, and why DPI usually does not matter online.
Last reviewed
Background rules differ by country, and one photo will not pass everywhere
The UK asks for light grey or cream. The US, Canada and India ask for white. A photo that satisfies one is regularly rejected by the other, and here is how to get each right.
Last reviewed
How browser image processing works, and what privacy it actually gives you
What "processed in your browser" means technically, what it protects against, and what it does not protect against.
Last reviewed