Category: Guides

Your iPhone photo looks fine, the size is right, and the portal still says “invalid file format”. The file is almost certainly HEIC. What HEIC is and why forms refuse…

Upload errors are almost always one of four things, and the error message rarely tells you which. Here is how to read them. The four independent checks A portal validates…

You cannot make a JPEG smaller without discarding something. What you can do is control what gets discarded — and most people throw away the wrong thing. The order that…