You can go into the iPhone Settings to select the picture format to capture using your camera. Choose High Efficiency to let your iPhone capture photos in HEIF/HEVC format or select Most Compatible to shoot photos in JPEG format on iPhone. Keep in mind that HEIF allows for greater file compression. The HEIF pictures take up mushc less storage space than JPEG images. You may however run into compatibility issues with HEIF. In this quick guide, we will show you how to convert photos to a different format on iPhone, like from HEIF to PNG, HEIF to JPG or JPEG, convert PNG to JPEG, using an image editor app, the TouchRetouch.
Get the TouchRetouch app here. Run the editor app on your iPhone. From its home screen, choose Albums, then browse to your Camera Roll or photo library to find and import the photo to the editor app. If you need just to convert the picture to another format, don’t edit the picture and directly tap the Export button at the top right corner to open the Export screen like this.
The photo format and resolution will be displayed above the Settings at the bottom. Tap the Settings to choose a different format, JPEG, PNG, TIFF, HEIC, optionally select a different size. Tap the Settings again to hide the menu and go back to the export screen. Choose Save as Copy to convert the file format of the select picture and save it as a new file to your Camera Roll.
Image format conversion alternatives
CropSize: a lightweight image editor for iPhone iPad iPod. It can crop, resize, flip, rotate your photos, convert image file format, HEIC, PNG, JPG, TIFF, on iPhone iPad and more.