Good afternoon. Change settings
https://karelles.1b.app/app/settings/product/1. "Format for saving images (including thumbnail files)" - leave only jpg or png here. Only one image format is supported. It is advisable to indicate the format, the images of which you have the most for products. All photos of other formats will be converted to the specified
2. Set the "Maximum width (in pixels) of featured photos for a product" setting to the maximum number of pixels for your photo.
3. Set the "Max height (in pixels) of featured photos for a product" setting to the maximum number of pixels for your photo.
Settings 2 and 3 work like this: if the uploaded photo is larger in width or height than specified in the settings, the photo will be compressed to the size values specified in the settings (if the setting is not specified, the default value is 1200).
After changing the settings, delete the old photo and upload a new one.