iPhones save photos as HEIC (HEIF) by default. SchweizerIMG has no HEIC decoder of its own: the format is covered by licences and patents that we cannot bundle into a tool that runs in your browser.
In Safari (on Mac, iPhone and iPad), HEIC photos open anyway, because Safari decodes them itself and hands the pixels to the tool. In other browsers, the app tells you that the photo cannot be opened.
How to get photos the tools can open
- 1
Change the camera format
On the iPhone, open Settings → Camera → Formats and choose Most Compatible. New photos are then saved as JPEG.
- 2
Or share as JPEG
Existing photos are usually converted to JPEG when you share or export them — for example by e-mail, AirDrop to a Mac set to compatible formats, or Export in the Photos app on a Mac.
- 3
Or use Safari
Open SchweizerIMG in Safari and add the HEIC photos directly.
Camera RAW files (for example CR2, NEF, ARW or DNG) are not supported either. Export them as JPEG or TIFF in your camera software first.