Guides
The questions behind the conversions — why a file will not open, which format to pick, and how to satisfy a form that wants something impossible.
Is it safe to convert images online?
Most online converters upload your file to a server you know nothing about. Three checks that tell you whether yours does — and why it matters.
Why Windows won't open your iPhone photos
HEIC files from an iPhone refuse to open on Windows. Here is why that happens, and four ways to fix it — including the one that does not cost money.
What is a WebP file?
You saved an image from a website and got a .webp file nothing will open. Here is what WebP is, why Chrome saved it, and what to do about it.
How to get a photo under 100 KB without ruining it
Upload forms with a 100 KB limit reject almost every modern photo. Here is how to hit the limit while keeping the image usable.
JPG, PNG, WebP or AVIF?
A practical guide to choosing an image format, based on what the image is and where it is going — not on which format is technically best.